Z (ze; in England commonly, and in America sometimes, zêd; formerly,
Defn: Z, the twenty-sixth and last letter of the English alphabet, is
a vocal consonant. It is taken from the Latin letter Z, which came
from the Greek alphabet, this having it from a Semitic source. The
ultimate origin is probably Egyptian. Etymologically, it is most
closely related to s, y, and j; as in glass, glaze; E. yoke, Gr.
yugum; E. zealous, jealous. See Guide to Pronunciation, §§ 273, 274.
Za, n. (Min.)
Defn: An old solfeggio name for B flat; the seventh harmonic, as
heard in the or æolian string; — so called by Tartini. It was long
considered a false, but is the true note of the chord of the flat
seventh. H. W. Poole.
Za”ba*ism, Za”bism, n.
Defn: See Sabianism.
Za”bi*an, a. & n.
Defn: See Sabian.
Zac”co, n. (Arch.)
Defn: See Zocco.
Za*chun”, n. (Bot.)
Defn: An oil pressed by the Arabs from the fruit of a small thorny
tree (Balanites Ægyptiaca), and sold to piligrims for a healing
ointment. J. Smith (Dict. Econ. Plants).
Zaer”the, n. (Zoöl.)
Defn: Same as Zärthe.
Zaf”fer, n. Etym: [F. zafre, safre; cf. Sp. zafra, safra, It.
saffera, G. zaffer; all probably of Arabic origin. Cf. Zaphara.]
Defn: A pigment obtained, usually by roasting cobalt glance with sand
or quartz, as a dark earthy powder. It consists of crude cobalt
oxide, or of an impure cobalt arseniate. It is used in porcelain
painting, and in enameling pottery, to produce a blue color, and is
often confounded with smalt, from which, however, it is distinct, as
it contains no potash. The name is often loosely applied to mixtures
of zaffer proper with silica, or oxides of iron, manganese, etc.
[Written also zaffre, and formerly zaffree, zaffar, zaffir.]
Zaim, n. Etym: [Turk. & Ar. za’im.]
Defn: A Turkish chief who supports a mounted militia bearing the same
Zaim”et, n. Etym: [Turk. & Ar. za’imet.]
Defn: A district from which a Zaim draws his revenue. Smart.
Defn: A horse of a dark color, neither gray nor white, and having no
Za*lamb”do*dont, a. (Zoöl.)
Defn: Of or pertaining to a tribe (Zalambdodonta) of Insectivora in
which the molar teeth have but one V-shaped ridge.
Defn: One of the Zalambdodonta. The tenrec, solenodon, and golden
moles are examples.
Za*mang”, n. (Bot.)
Defn: An immense leguminous tree (Pithecolobium Saman) of Venezuela.
Its branches form a hemispherical mass, often one hundred and eighty
feet across. The sweet pulpy pods are used commonly for feeding
cattle. Also called rain tree. J. Smith (Dict. Econ. Plants).
Zam”bo, n.; pl. Zambos. Etym: [See Sambo.]
Defn: The child of a mulatto and a negro; also, the child of an
Indian and a negro; colloquially or humorously, a negro; a sambo.
Za”mi*a, n. Etym: [L. zamia a kind of fir cone, from Gr. (Bot.)
Defn: A genus of cycadaceous plants, having the appearance of low
palms, but with exogenous wood. See Coontie, and Illust. of Strobile.
Zam`in*dar”, n. Etym: [Hind. zemindar, zamindar, a landholder, Per.
zamindar; zamin land dar holding.]
Defn: A landowner; also, a collector of land revenue; now, usually, a
kind of feudatory recognized as an actual proprietor so long as he
pays to the government a certain fixed revenue. [Written also
Zam”in*da*ry, Zam”in*da*ri, n.
Defn: The jurisdiction of a zamindar; the land possessed by a
zamindar. [Written also zemindary, zemindari.]
Za”mite, n. (Paleon.)
Defn: A fossil cycad of the genus Zamia.
Za*mouse”, n. Etym: [From a native name.] (Zoöl.)
Defn: A West African buffalo (Bubalus brachyceros) having short horns
depressed at the base, and large ears fringed internally with three
rows of long hairs. It is destitute of a dewlap. Called also short-
horned buffalo, and bush cow.
Zam*po”gna, n. Etym: [It.] (Mus.)
Defn: A sort of bagpipe formerly in use among Italian peasants. It is
now almost obsolete. [Written also zampugna.]
Zan”der, n. Etym: [Cf. D. zand sand.] (Zoöl.)
Defn: A European pike perch (Stizostedion lucioperca) allied to the
wall-eye; — called also sandari, sander, sannat, schill, and zant.
Zand”mole`, n. Etym: [Cf. D. zand sand. See Sand, and Mole the
Defn: The sand mole.
Zan”te, n. (Bot.)
Defn: See Zantewood.
Defn: A kind of seedless grape or raisin; — so called from Zante,
one of the Ionian Islands.
Zan”te*wood`, n. (Bot.)
(a) A yellow dyewood; fustet; — called also zante, and zante fustic.
See Fustet, and the Note under Fustic.
(b) Satinwood (Chloroxylon Swietenia).
Defn: A native or inhabitant of Zante, one of the Ionian Islands.
Za”ny, n.; pl. Zanies. Etym: [It. zanni a buffoon, merry-andrew,
orig. same as Giovanni John, i. e., merry John, L. Ioannes, Gr.
Yokhanan, prop., the Lord graciously gave: cf. F. zani, fr. the
Italian. Cf. Jenneting.]
Defn: A merry-andrew; a buffoon.
Then write that I may follow, and so be Thy echo, thy debtor, thy
foil, thy zany. Donne.
Preacher at once, and zany of thy age. Pope.
Za”ny, v. t.
Defn: To mimic. [Obs.]
Your part is acted; give me leave at distance To zany it. Massinger.
Defn: State or character of a zany; buffoonery. Coleridge. H. Morley.
Za*pas”, n. [Russ.]
Defn: See Army organization, above.
Za`pa*te”ra, n. [Sp. aceituna zapatera.] (Olive trade)
Defn: A cured olive which has spoiled or is on the verge of
decomposition; loosely, an olive defective because of bruises,
wormholes, or the like.
Za*phren”tis, n. Etym: [NL.] (Paleon.)
Defn: An extinct genus of cyathophylloid corals common in the
Paleozoic formations. It is cup-shaped with numerous septa, and with
a deep pit in one side of the cup.
Zap`o*til”la, n. (Bot.)
Defn: See Sapodilla.
Defn: A Turkish policeman. [Written also zaptieh.]
Zar`a*thus”tri*an, Zar`a*thus”tric, a.
Defn: Of or pertaining to Zarathustra, or Zoroaster; Zoroastrian.
Defn: See Zoroastrianism.
Zar”a*tite, n. (Min.) Etym: [Named after Gen. Zarata of Spain.]
Defn: A hydrous carbonate of nickel occurring as an emerald-green
incrustation on chromite; — called also emerald nickel.
Za*re”ba, n. (Mil.)
Defn: An improvised stockade; especially, one made of thorn bushes,
etc. [Written also zareeba, and zeriba.] [Egypt]
“Ah,” he moralizes, “what wonderful instinct on the part of this
little creature to surround itself with a zareba like the troops
after Osman Digma.” R. Jefferies.
Zarf, n. [Ar.] (Art)
Defn: A metallic cuplike stand used for holding a finjan.
Zar”nich, n. Etym: [F., fr. Ar. az-zernikh, fr. Gr. Arsenic.] (Min.)
Defn: Native sulphide of arsenic, including sandarach, or realgar,
Zär”the, n. (Zoöl.)
Defn: A European bream (Abramis vimba). [Written also zaerthe.]
Zas*tru”gi, n. pl.; sing. -ga (#). [Russ. zastruga furrow made on the
shore by water.]
Defn: Grooves or furrows formed in snow by the action of the wind,
and running parallel with the direction of the wind. This formation
results from the erosion of transverse waves previously formed.
Za”ti, n. (Zoöl.)
Defn: A species of macaque (Macacus pileatus) native of India and
Ceylon. It has a crown of long erect hair, and tuft of radiating
hairs on the back of the head. Called also capped macaque.
Zau*schne”ri*a, n. Etym: [NL., named for M. Zauschner, a Bohemian
Defn: A genus of flowering plants. Zauschneria Californica is a
suffrutescent perennial, with showy red flowers much resembling those
of the garden fuchsia.
Defn: A tool for trimming and puncturing roofing states. [Written
Defn: A public shed, or portico, for travelers, worshipers, etc.
Ze”a, n. Etym: [L., a kind of grain, fr. Gr. yava barley.] (Bot.)
Defn: A genus of large grasses of which the Indian corn (Zea Mays) is
the only species known. Its origin is not yet ascertained. See Maize.
Zeal, n. Etym: [F. zèle; cf. Pg. & It. zelo, Sp. zelo, celo; from L.
zelus, Gr. Yeast, Jealous.]
1. Passionate ardor in the pursuit of anything; eagerness in favor of
a person or cause; ardent and active interest; engagedness;
enthusiasm; fervor. “Ambition varnished o’er with zeal.” Milton.
“Zeal, the blind conductor of the will.” Dryden. “Zeal’s never-dying
I bear them record that they have a zeal of God, but not according to
knowledge. Rom. x. 2.
A zeal for liberty is sometimes an eagerness to subvert with little
care what shall be established. Johnson.
2. A zealot. [Obs.] B. Jonson.
Zeal, v. i.
Defn: To be zealous. [Obs. & R.] Bacon.
Defn: One who is zealous; a zealot; an enthusiast. [Obs.]
To certain zealants, all speech of pacification is odious. Bacon.
Defn: Full of zeal; characterized by zeal. [Obs.] “Zealed religion.”
Beau. & Fl.
Defn: Full of zeal. [R.] Sylvester.
Defn: Wanting zeal. Hammond.
Zeal”ot, n. Etym: [F. zélote, L. zelotes, Gr. Zeal.]
Defn: One who is zealous; one who engages warmly in any cause, and
pursues his object with earnestness and ardor; especially, one who is
overzealous, or carried away by his zeal; one absorbed in devotion to
anything; an enthusiast; a fanatical partisan.
Zealots for the one [tradition] were in hostile array against zealots
for the other. Sir J. Stephen.
In Ayrshire, Clydesdale, Nithisdale, Annandale, every parish was
visited by these turbulent zealots. Macaulay.
Defn: Like, or suitable to, a zealot; ardently zealous. [R.] Strype.
Defn: The character or conduct of a zealot; zealotry.
Defn: A zealot. [Obs.] Howell.
Defn: The character and behavior of a zealot; excess of zeal;
fanatical devotion to a cause.
Enthusiasm, visionariness, seems the tendency of the German; zeal,
zealotry, of the English; fanaticism, of the French. Coleridge.
Zeal”ous, a. Etym: [LL. zelosus. See Zeal.]
1. Filled with, or characterized by, zeal; warmly engaged, or ardent,
in behalf of an object.
He may be zealous in the salvation of souls. Law.
2. Filled with religious zeal. [Obs.] Shak.
— Zeal”ous*ly, adv.
— Zeal”ous*ness, n.
Ze”bec, n. (Naut.)
Defn: See Xebec.
Ze”bra, n. Etym: [Pg. zebra; cf. Sp. cebra; probably from a native
African name.] (Zoöl.)
Defn: Either one of two species of South African wild horses
remarkable for having the body white or yellowish white, and
conspicuously marked with dark brown or brackish bands.
Note: The true or mountain zebra (Equus, or Asinus, zebra) is nearly
white, and the bands which cover the body and legs are glossy black.
Its tail has a tuft of black hair at the tip. It inhabits the
mountains of Central and Southern Africa, and is noted for its
wariness and wildness, as well as for its swiftness. The second
species (Equus, or Asinus, Burchellii), known as Burchell’s zebra,
and dauw, inhabits the grassy plains of South Africa, and differs
from the preceding in not having dark bands on the legs, while those
on the body are more irregular. It has a long tail, covered with long
white flowing hair. Zebra caterpillar, the larva of an American
noctuid moth (Mamestra picta). It is light yellow, with a broad black
stripe on the back and one on each side; the lateral stripes are
crossed with withe lines. It feeds on cabbages, beets, clover, and
other cultivated plants.
— Zebra opossum, the zebra wolf. See under Wolf.
— Zebra parrakeet, an Australian grass parrakeet, often kept as a
cage bird. Its upper parts are mostly pale greenish yellow,
transversely barred with brownish black crescents; the under parts,
rump, and upper tail coverts, are bright green; two central tail
feathers and the cheek patches are blue. Called also canary parrot,
scallop parrot, shell parrot, and undulated parrot.
— Zebra poison (Bot.), a poisonous tree (Euphorbia arborea) of the
Spurge family, found in South Africa. Its milky juice is so poisonous
that zebras have been killed by drinking water in which its branches
had been placed, and it is also used as an arrow poison. J. Smith
(Dict. Econ. Plants).
— Zebra shark. Same as Tiger shark, under Tiger.
— Zebra spider, a hunting spider.
— Zebra swallowtail, a very large North American swallow-tailed
butterfly (Iphiclides ajax), in which the wings are yellow, barred
with black; — called also ajax.
— Zebra wolf. See under Wolf.
(a) A kind of cabinet wood having beautiful black, brown, and whitish
stripes, the timber of a tropical American tree (Connarus
(b) The wood of a small West Indian myrtaceous tree (Eugenia
(c) The wood of an East Indian tree of the genus Guettarda.
Ze”brine, a. (Zoöl.)
Defn: Pertaining to, or resembling, the zebra.
Ze*brin”ny, n.; pl. -nies.
Defn: A cross between a male horse and a female zebra.
Ze”bru*la, Ze”brule, n.
Defn: A cross between a male zebra and a female horse.
[zébu; of uncertain origin.]
Defn: A bovine mammal (Ros Indicus) extensively domesticated in
India, China, the East Indies, and East Africa. It usually has short
horns, large pendulous ears, slender legs, a large dewlap, and a
large, prominent hump over the shoulders; but these characters vary
in different domestic breeds, which range in size from that of the
common ox to that of a large mastiff.
Note: Some of the varieties are used as beasts of burden, and some
fore for riding, while others are raised for their milk and flesh.
The Brahmin bull, regarded as sacred by the Hindoos, also belongs to
this species. The male is called also Indian bull, Indian ox, Madras
ox, and sacred bull.
Ze”bub, n. (Zoöl.)
Defn: A large noxious fly of Abyssinia, which like the tsetse fly, is
destructive to cattle.
Defn: See Sequin.
Zech”stein`, n. Etym: [Gr., fr. zeche a mine + stein a stone.]
Defn: The upper division of the Permian (Dyas) of Europe. The
prevailing rock is a magnesian limestone.
Zed, n. Etym: [F., probably through It. zeta, fr. L. zeta. See Zeta.]
Defn: The letter Z; — called also zee, and formerly izzard. “Zed,
thou unnecessary letter!” Shak.
Zed”o*a*ry, n. Etym: [F. zédoaire, LL. zedoaria; cf. It. zedoaria,
zettovario, Pg. zedoaria, Sp. zedoaria, cedoaria; all fr. Ar. & Per.
Defn: A medicinal substance obtained in the East Indian, having a
fragrant smell, and a warm, bitter, aromatic taste. It is used in
medicine as a stimulant.
Note: It is the rhizome of different species of Curcuma, esp. C.
zedoaria, and comes in short, firm pieces, externally of a wrinkled
gray, ash-colored appearance, but within of a brownish red color.
There are two kinds, round zedoary, and long zedoary.
Zee”koe, n. Etym: [D., sea cow, lake cow.] (Zoöl.)
Defn: A hippopotamus.
Zee”man ef*fect”. (Physics)
Defn: The widening and duplication, triplication, etc., of spectral
lines when the radiations emanate in a strong magnetic field, first
observed in 1896 by P. Zeeman, a Dutch physicist, and regarded as an
important confirmation of the electromagnetic theory of light.
Zeh”ner, n. Etym: [G.]
Defn: An Austrian silver coin equal to ten kreutzers, or about five
Ze”in, n. Etym: [Cf. F. zé\’8bne. See Zea.] (Chem.)
Defn: A nitrogenous substance of the nature of gluten, obtained from
the seeds of Indian corn (Zea) as a soft, yellowish, amorphous
substance. [Formerly written zeine.]
Zeit”geist`, n. [G.; zeit time + geist spirit. See Tide, n.; Ghost,
Defn: The spirit of the time; the general intellectual and moral
state or temper characteristic of any period of time.
Defn: Same as Zamindar.
Zem”in*da*ry, Zem”in*da*ri, n.
Defn: Same as Zamindary.
Zem”ni, n. (Zoöl.)
Defn: The blind mole rat (Spalax typhlus), native of Eastern Europe
and Asia. Its eyes and ears are rudimentary, and its fur is soft and
brownish, more or less tinged with gray. It constructs extensive
Zem”stvo, n. [Russ., fr. zemlya land.]
Defn: In Russia, an elective local district and provincial
administrative assembly. Originally it was composed of
representatives elected by the peasantry, the householders of the
towns, and the landed proprietors. In the reign of Alexander III. the
power of the noble landowners was increased, the peasants allowed
only to elect candidates from whom the governor of the province
nominated the deputy, and all acts of the zemstvo subjected to the
approval of the governor. Theoretically the zemstvo has large powers
relating to taxation, education, public health, etc., but practically
these powers are in most cases limited to the adjustment of the state
Ze*na”na, n. Etym: [Hind. zenana, zanana, fr. Per. zanana, fr. zan
woman; akin to E. queen.]
Defn: The part of a dwelling appropriated to women. [India]
Zend, n. Etym: [See Zend-Avesta.]
Defn: Properly, the translation and exposition in the Huzvâresh, or
literary Pehlevi, language, of the Avesta, the Zoroastrian sacred
writings; as commonly used, the language (an ancient Persian dialect)
in which the Avesta is written.
Zend`-A*ves”ta, n. Etym: [Properly, the Avesta, or sacred text, and
its zend, or interpretation, in a more modern and intelligible
language. W. D. Whitney.]
Defn: The sacred writings of the ancient Persian religion, attributed
to Zoroaster, but chiefly of a later date.
Zen”dik, n. Etym: [Ar. zandik.]
Defn: An atheist or unbeliever; — name given in the East to those
charged with disbelief of any revealed religion, or accused of
Ze”nick, n. (Zoöl.)
Defn: A South African burrowing mammal (Suricata tetradactyla),
allied to the civets. It is grayish brown, with yellowish transverse
stripes on the back. Called also suricat.
Ze”nik, n. (Zoöl.)
Defn: See Zenick.
Ze”nith, n. Etym: [OE. senyth, OF. cenith, F. zénith, Sp. zenit,
cenit, abbrev. fr. Ar. samt-urras way of the head, vertical place;
samt way, path + al the + ras head. Cf. Azimuth.]
1. That point in the visible celestial hemisphere which is vertical
to the spectator; the point of the heavens directly overhead; —
opposed to nadir.
From morn To noon he fell, from noon to dewy eve, A summer’s day; and
with the setting sun Dropped from the zenith, like a falling star.
2. hence, figuratively, the point of culmination; the greatest
height; the height of success or prosperity.
I find my zenith doth depend upon A most auspicious star. Shak.
This dead of midnight is the noon of thought, And wisdom mounts her
zenith with the stars. Mrs. Barbauld.
It was during those civil troubles . . . this aspiring family reached
the zenith. Macaulay.
Zenith distance. (Astron.) See under Distance.
— Zenith sector. (Astron.) See Sector, 3.
— Zenith telescope (Geodesy), a telescope specially designed for
determining the latitude by means of any two stars which pass the
meridian about the same time, and at nearly equal distances from the
zenith, but on opposite sides of it. It turns both on a vertical and
a horizontal axis, is provided with a graduated vertical semicircle,
and a level for setting it to a given zenith distance, and with a
micrometer for measuring the difference of the zenith distances of
the two stars.
Defn: Of or pertaining to the zenith. “The deep zenithal blue.”
Ze”o*lite, n. Etym: [Gr. -lite: cf. F. zéolithe.] (Min.)
Defn: A term now used to designate any one of a family of minerals,
hydrous silicates of alumina, with lime, soda, potash, or rarely
baryta. Here are included natrolite, stilbite, analcime, chabazite,
thomsonite, heulandite, and others. These species occur of secondary
origin in the cavities of amygdaloid, basalt, and lava, also, less
frequently, in granite and gneiss. So called because many of these
species intumesce before the blowpipe. Needle zeolite, needlestone;
Defn: Of or pertaining to a zeolite; consisting of, or resembling, a
Defn: Having the form of a zeolite.
Zeph”yr, n. Etym: [L. zephyrus, Gr. zéphyr.]
Defn: The west wind; poetically, any soft, gentle breeze. “Soft the
zephyr blows.” Gray.
As gentle As zephyrs blowing below the violet. Shak.
Zephyr cloth, a thin kind of cassimere made in Belgium; also, a
waterproof fabric of wool.
— Zephyr shawl, a kind of thin, light, embroidered shawl made of
worsted and cotton.
— Zephyr yarn, or worsted, a fine, soft kind of yarn or worsted, —
used for knitting and embroidery.
Zeph”y*rus, n. Etym: [L. See Zephyr.]
Defn: The west wind, or zephyr; — usually personified, and made the
most mild and gentle of all the sylvan deities.
Mild as when Zephyrus on Flora breathes. Milton.
Zep`pe*lin” (tsep`pe*le”; Angl. zep”pe*lin), n.
Defn: A dirigible balloon of the rigid type, consisting of a
cylindrical trussed and covered frame supported by internal gas
cells, and provided with means of propulsion and control. It was
first successfully used by Ferdinand Count von Zeppelin.
Defn: See Sequin.
Zer”da, n. Etym: [Of African origin.] (Zoöl.)
Defn: The fennec.
Ze*ri”ba, n. (Mil.)
Defn: Same as Zareba.
Ze”ro, n; pl. Zeros or Zeroes. Etym: [F. zéro, from Ar. çafrun,
çifrun, empty, a cipher. Cf. Cipher.]
Defn: A cipher; nothing; naught.
2. The point from which the graduation of a scale, as of a
Note: Zero in the Centigrade, or Celsius thermometer, and in the
Réaumur thermometer, is at the point at which water congeals. The
zero of the Fahrenheit thermometer is fixed at the point at which the
mercury stands when immersed in a mixture of snow and common salt. In
Wedgwood’s pyrometer, the zero corresponds with 1077° on the
Fahrenheit scale. See Illust. of Thermometer.
3. Fig.: The lowest point; the point of exhaustion; as, his patience
had nearly reached zero. Absolute zero. See under Absolute.
— Zero method (Physics), a method of comparing, or measuring,
forces, electric currents, etc., by so opposing them that the pointer
of an indicating apparatus, or the needle of a galvanometer, remains
at, or is brought to, zero, as contrasted with methods in which the
deflection is observed directly; — called also null method.
— Zero point, the point indicating zero, or the commencement of a
scale or reckoning.
Zest, n. Etym: [F. zeste, probably fr. L. schistos split, cleft,
divided, Gr. Schism.]
1. A piece of orange or lemon peel, or the aromatic oil which may be
squeezed from such peel, used to give flavor to liquor, etc.
2. Hence, something that gives or enhances a pleasant taste, or the
taste itself; an appetizer; also, keen enjoyment; relish; gusto.
Almighty Vanity! to thee they owe Their zest of pleasure, and their
balm of woe. Young.
Liberality of disposition and conduct gives the highest zest and
relish to social intercourse. Gogan.
3. The woody, thick skin inclosing the kernel of a walnut. [Obs.]
Zest, v. t. [imp. & p. p. Zested; p. pr. & vb. n. Zesting.]
1. To cut into thin slips, as the peel of an orange, lemon, etc.; to
squeeze, as peel, over the surface of anything.
2. To give a relish or flavor to; to heighten the taste or relish of;
as, to zest wine. Gibber.
Ze”ta, n. Etym: [L., from Gr. Zed.]
Defn: A Greek letter [z] corresponding to our z.
Ze*tet”ic, a. Etym: [Gr. zététique.]
Defn: Seeking; proceeding by inquiry. Zetetic method (Math.), the
method used for finding the value of unknown quantities by direct
search, in investigation, or in the solution of problems. [R.]
Defn: A seeker; — a name adopted by some of the Pyrrhonists.
Ze*tet”ics, n. Etym: [See Zetetic, a.] (Math.)
Defn: A branch of algebra which relates to the direct search for
unknown quantities. [R.]
Zeu”glo*don, n. Etym: [Gr. (Paleon.)
Defn: A genus of extinct Eocene whales, remains of which have been
found in the Gulf States. The species had very long and slender
bodies and broad serrated teeth. See Phocodontia.
Defn: Any species of Zeuglodonta.
Zeu`glo*don”ta, n. pl. Etym: [NL.] (Zoöl.)
Defn: Same as Phocodontia.
Zeug”ma, n. Etym: [L., from Gr. Yoke.] (Gram.)
Defn: A figure by which an adjective or verb, which agrees with a
nearer word, is, by way of supplement, referred also to another more
remote; as, “hic illius arma, hic currus fuit;” where fuit, which
agrees directly with currus, is referred also to arma.
Defn: Of or pertaining to zeugma; characterized by zeugma.
Zeu`go*bran`chi*a”ta, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: Same as Zygobranchia.
Zeus, n. (Gr. Myth.)
Defn: The chief deity of the Greeks, and ruler of the upper world
(cf. Hades). He was identified with Jupiter.
Zeu*ze”ri*an, n. (Zoöl.)
Defn: Any one of a group of bombycid moths of which the genus Zeuzera
is the type. Some of these moths are of large size. The goat moth is
Zey”lan*ite, n. (Min.)
Defn: See Ceylanite.
Zib”et, Zib”eth, n. Etym: [Cf. It. zibetto. See Civet.] (Zoöl.)
Defn: A carnivorous mammal (Viverra zibetha) closely allied to the
civet, from which it differs in having the spots on the body less
distinct, the throat whiter, and the black rings on the tail more
Note: It inhabits India, Southern China, and the East Indies. It
yields a perfume similar to that of the civet. It is often
domesticated by the natives, and then serves the same purposes as the
domestic cat. Called also Asiatic, or Indian, civet.
Defn: Curd produced from milk by adding acetic acid, after rennet has
ceased to cause coagulation. Brande & C.
Zie`tri*si”kite, n. (Min.)
Defn: A mineral wax, vert similar to ozocerite. It is found at
Zietrisika, Moldavia, whence its name.
Zif, n. Etym: [Heb. ziv.]
Defn: The second month of the Jewish ecclesiastical year,
corresponding to our May.
Zig”ger, Zig”hyr, v. i. (Mining)
Defn: Same as Sicker. [Prov. Eng.] Raymond.
Zig”zag`, n. Etym: [F. zigzag, G. zickzack, from zacke, zacken, a
dentil, tooth. Cf. Tack a small nail.]
1. Something that has short turns or angles.
The fanatics going straight forward and openly, the politicians by
the surer mode of zigzag. Burke.
Defn: A molding running in a zigzag line; a chevron, or series of
chevrons. See Illust. of Chevron, 3.
Defn: See Boyau.
Defn: Having short, sharp turns; running this way and that in an
Zig”zag`, v. t. [imp. & p. p. Zigzagged; p. pr. & vb. n. Zigzagging.]
Defn: To form with short turns.
Zig”zag`, v. i.
Defn: To move in a zigzag manner; also, to have a zigzag shape. R.
Defn: The quality or state of being zigzag; crookedness. [R.]
The . . . zigzaggery of my father’s approaches. Sterne.
Defn: Having sharp turns. Barham.
Defn: A temple tower of the Babylonians or Assyrians, consisting of a
lofty pyramidal structure, built in successive stages, with outside
staircases, and a shrine at the top.
Zil”la, n. (Bot.)
Defn: A low, thorny, suffrutescent, crucifeous plant (Zilla
myagroides) found in the deserts of Egypt. Its leaves are boiled in
water, and eaten, by the Arabs.
Zil”lah, n. Etym: [Ar. zila.]
Defn: A district or local division, as of a province. [India]
Zimb, n. (Zoöl.)
Defn: A large, venomous, two-winged fly, native of Abyssinia. It is
allied to the tsetse fly, and, like the latter, is destructive to
Zim”ent-wa`ter, n. Etym: [G. cement-wasser. See Cement.]
Defn: A kind of water found in copper mines; water impregnated with
Defn: A sponge (Euspongia zimocca) of flat form and fine quality,
from the Adriatic, about the Greek islands, and the coast of Barbary.
Zinc, n. Etym: [G. zinc, probably akin to zinn tin: cf. F. zinc, from
the German. Cf. Tin.] (Chem.)
Defn: An abundant element of the magnesium-cadmium group, extracted
principally from the minerals zinc blende, smithsonite, calamine, and
franklinite, as an easily fusible bluish white metal, which is
malleable, especially when heated. It is not easily oxidized in moist
air, and hence is used for sheeting, coating galvanized iron, etc. It
is used in making brass, britannia, and other alloys, and is also
largely consumed in electric batteries. Symbol Zn. Atomic weight 64.9
[Formerly written also zink.] Butter of zinc (Old Chem.), zinc
chloride, ZnCl2, a deliquescent white waxy or oily substance.
— Oxide of zinc. (Chem.) See Zinc oxide, below.
— Zinc amine (Chem.), a white amorphous substance, Zn(NH2)2,
obtained by the action of ammonia on zinc ethyl; — called also zinc
— Zinc amyle (Chem.), a colorless, transparent liquid, composed of
zinc and amyle, which, when exposed to the atmosphere, emits fumes,
and absorbs oxygen with rapidity.
— Zinc blende Etym: [cf. G. zinkblende] (Min.), a native zinc
sulphide. See Blende, n. (a) — Zinc bloom Etym: [cf. G. zinkblumen
flowers of zinc, oxide of zinc] (Min.), hydrous carbonate of zinc,
usually occurring in white earthy incrustations; — called also
— Zinc ethyl (Chem.), a colorless, transparent, poisonous liquid,
composed of zinc and ethyl, which takes fire spontaneously on
exposure to the atmosphere.
— Zinc green, a green pigment consisting of zinc and cobalt oxides;
— called also Rinmann’s green.
— Zinc methyl (Chem.), a colorless mobile liquid Zn(CH3)2, produced
by the action of methyl iodide on a zinc sodium alloy. It has a
disagreeable odor, and is spontaneously inflammable in the air. It
has been of great importance in the synthesis of organic compounds,
and is the type of a large series of similar compounds, as zinc
ethyl, zinc amyle, etc.
— Zinc oxide (Chem.), the oxide of zinc, ZnO, forming a light
fluffy sublimate when zinc is burned; — called also flowers of zinc,
philosopher’s wool, nihil album, etc. The impure oxide produced by
burning the metal, roasting its ores, or in melting brass, is called
also pompholyx, and tutty.
— Zinc spinel (Min.), a mineral, related to spinel, consisting
essentially of the oxides of zinc and aluminium; gahnite.
— Zinc vitriol (Chem.), zinc sulphate. See White vitriol, under
— Zinc white, a white powder consisting of zinc oxide, used as a
Zinc, v. t. [imp. & p. p. Zincked or Zinced (; p. pr. & vb. n.
Zincking or Zincing (.]
Defn: To coat with zinc; to galvanize.
Zinc”ane, n. (Chem.)
Defn: Zinc chloride. [Obs.]
Zinc”ic, a. (Chem.)
Defn: Pertaining to, containing, or resembling, zinc; zincous.
Defn: A binary compound of zinc. [R.]
Zinc*if”er*ous, a. Etym: [Zinc + -ferous.]
Defn: Containing or affording zinc.
Defn: The act or process of applying zinc; the condition of being
zincified, or covered with zinc; galvanization.
Zinc”i*fy, v. t. Etym: [Zinc + -fy.] (Metal.)
Defn: To coat or impregnate with zinc.
Zinc”ite, n. (Min.)
Defn: Native zinc oxide; a brittle, translucent mineral, of an
orange-red color; — called also red zinc ore, and red oxide of zinc.
Zinck”ing, or Zinc”ing, n. (Metal.)
Defn: The act or process of applying zinc; galvanization.
Defn: , Pertaining to zinc, or having its appearance. [Written also
Defn: A combining form from zinc; in chemistry, designating zinc as
an element of certain double compounds. Also used adjectively.
Zinc”ode, n. Etym: [Zinc + -ode, as in electrode.] (Elec.)
Defn: The positive electrode of an electrolytic cell; anode. [R.]
Defn: A zinc plate prepared for printing by zincography; also, a
print from such a plate.
Defn: Am engraver on zinc.
Zin`co*graph”ic, Zin`co*graph”ic*al, a.
Defn: Of or pertaining to zincography; as, zincographic processes.
Zin*cog”ra*phy, n. Etym: [Zinco- + -graphy.]
Defn: The art or process of engraving or etching on zinc, in which
the design is left in relief in the style of a wood cut, the rest of
the ground being eaten away by acid.
Zinc”oid, a. Etym: [Zinc + -oid.]
Defn: Pertaining to, or resembling, zinc; — said of the electricity
of the zincous plate in connection with a copper plate in a voltaic
circle; also, designating the positive pole. [Obs.]
Zin`co-po”lar, a. Etym: [Zinco- + polar.] (Elec.)
Defn: Electrically polarized like the surface of the zinc presented
to the acid in a battery, which has zincous affinity. [Obs.]
(a) Of, pertaining to, or containing, zinc; zincic; as, zincous
(b) Hence, formerly, basic, basylous, as opposed to chlorous.
Defn: Of or pertaining to the positive pole of a galvanic battery;
Zin”ga*ro, n.; pl. Zingari. Etym: [It.]
Defn: A gypsy.
Zing”el, n. (Zoöl.)
Defn: A small, edible, freshwater European perch (Aspro zingel),
having a round, elongated body and prominent snout.
Zin`gi*ber*a”ceous, a. Etym: [L. zingiber ginger. See Ginger.] (Bot.)
Defn: Of or pertaining to ginger, or to a tribe (Zingibereæ) of
endogenous plants of the order Scitamineæ. See Scitamineous.
Zink, n. (Chem.)
Defn: See Zinc. [Obs.]
Zink”en*ite, n. Etym: [From Zinken, director at one time of the
Hanoverian mines.] (Min.)
Defn: A steel-gray metallic mineral, a sulphide of antimony and lead.
Defn: See Zincky. Kirwan.
Zin”ni*a, n. Etym: [NL. So called after Professor Zinn, of
Defn: Any plant of the composite genus Zinnia, Mexican herbs with
opposite leaves and large gay-colored blossoms. Zinnia elegans is the
commonest species in cultivation.
Zinn”wald*ite, n. Etym: [So called after Zinnwald, in Bohemia, where
it occurs.] (Min.)
Defn: A kind of mica containing lithium, often associated with tin
Zin”sang, n. (Zoöl.)
Defn: The delundung.
Zin`zi*ber*a”ceous, a. (Bot.)
Defn: Same as Zingiberaceous.
Zi”on, n. Etym: [Heb. tsiy, originally, a hill.]
1. (Jewish Antiq.)
Defn: A hill in Jerusalem, which, after the capture of that city by
the Israelites, became the royal residence of David and his
2. Hence, the theocracy, or church of God.
3. The heavenly Jerusalem; heaven.
Zi”on*ism, n. [Zion + -ism.]
Defn: Among the Jews, a theory, plan, or movement for colonizing
their own race in Palestine, the land of Zion, or, if that is
impracticable, elsewhere, either for religious or nationalizing
purposes; — called also Zion movement. –Zi”on*ist, n. —
Zi`on*is”tic (#), a.
Zip, n. [Imitative.]
Defn: A hissing or sibilant sound such as that made by a flying
Zip, v. i.
Defn: To make, or move with, such a sound.
Ziph”i*oid, n. (Zoöl.)
Defn: See Xiphioid.
Defn: A combining form (also used adjectively) designating zirconium
as an element of certain double compounds; zircono-; as in
zircofluoric acid, sodium zircofluoride.
Zir`co*flu”or*ide, n. (Chem.)
Defn: A double fluoride of zirconium and hydrogen, or some other
positive element or radical; as, zircofluoride of sodium.
Zir”con, n. Etym: [F., the same word as jargon. See Jargon a variety
of zircon.] (Min.)
Defn: A mineral occurring in tetragonal crystals, usually of a brown
or gray color. It consists of silica and zirconia. A red variety,
used as a gem, is called hyacinth. Colorless, pale-yellow or smoky-
brown varieties from Ceylon are called jargon. Zircon syenite, a
coarse-grained syenite containing zircon crystals and often also
elæolite. It is largely developed in Southern Norway.
Zir”co*na, n. Etym: [NL.] (Chem.)
Zir”con*ate, n. (Chem.)
Defn: A salt of zirconic acid.
Zir*co”ni*a, n. Etym: [NL.] (Chem.)
Defn: The oxide of zirconium, obtained as a white powder, and
possessing both acid and basic properties. On account of its
infusibility, and brilliant luminosity when incandescent, it is used
as an ingredient of sticks for the Drummomd light.
Zir*con”ic, a. (Chem.)
Defn: Pertaining to, containing, or resembling, zirconium; as,
zirconic oxide; zirconic compounds. Zirconic acid, an acid of
zirconium analogous to carbonic and silicic acids, known only in its
Zir*co”ni*um, n. Etym: [NL.] (Chem.)
Defn: A rare element of the carbon-silicon group, intermediate
between the metals and nonmetals, obtained from the mineral zircon as
a dark sooty powder, or as a gray metallic crystalline substance.
Symbol Zr. Atomic weight, 90.4.
Zir”con light. (Physics)
Defn: A light, similar to the calcium light, produced by incandescent
Defn: See Zirco-.
Zir”con*oid, n. Etym: [Zircon + oid.] (Crystallog.)
Defn: A double eight-sided pyramid, a form common with tetragonal
crystals; — so called because this form often occurs in crystals of
Zith”er, n. Etym: [G. zither. See Cittern.] (Mus.)
Defn: An instrument of music used in Austria and Germany. It has from
thirty to forty wires strung across a shallow sounding-board, which
lies horizontally on a table before the performer, who uses both
hands in playing on it.
Note: [Not to be confounded with the old lute-shaped cittern, or
Zit”tern, n. (Min.)
Defn: See Cittern.
Zi*za”ni*a, n. Etym: [NL., from L. zizanium darnel, cockle, Gr.
Defn: A genus of grasses including Indian rice. See Indian rice,
Ziz”el, n. Etym: [G. ziesel.] (Zoöl.)
Defn: The suslik. [Written also zisel.]
Zi”zith, n. pl. [Heb. tsitsith.]
Defn: The tassels of twisted cords or threads on the corners of the
upper garment worn by strict Jews. The Hebrew for this word is
translated in both the Authorized and Revised Versions (Deut. xxii.
12) by the word “fringes.”
Zo`an*tha”ce*a, n. pl. Etym: [NL., from Gr. (Zoöl.)
Defn: A suborder of Actinaria, including Zoanthus and allied genera,
which are permanently attached by their bases.
Zo`an*tha”ri*a, n. pl. Etym: [NL.] (Zoöl.)
Defn: Same as Anthozoa.
Zo`an*tha”ri*an, a. (Zoöl.)
Defn: Of or pertaining to the Zoantharia.
Defn: One of the Anthozoa.
Zo*an”tho*deme, n. Etym: [See Zoantharia, and Deme.] (Zoöl.)
Defn: The zooids of a compound anthozoan, collectively.
Zo*an”thoid, a. Etym: [See Zoantharia, and -oid.] (Zoöl.)
Defn: Of or pertaining to the Zoanthacea.
Zo*an”thro*py, n. Etym: [Gr. (Med.)
Defn: A kind of monomania in which the patient believes himself
transformed into one of the lower animals.
Zo*an”thus, n. Etym: [NL. See Zoantharia.] (Zoöl.)
Defn: A genus of Actinaria, including numerous species, found mostly
in tropical seas. The zooids or polyps resemble small, elongated
actinias united together at their bases by fleshy stolons, and thus
forming extensive groups. The tentacles are small and bright colored.
Zo”bo, n. Etym: [Native name.] (Zoöl.)
Defn: A kind of domestic cattle reared in Asia for its flesh and
milk. It is supposed to be a hybrid between the zebu and the yak.
Zoc”co, Zoc”co*lo, n. Etym: [It. fr. L. socculus. See Socle, and cf.
Defn: Same as Socle.
Zo”cle, n. (Arch.)
Defn: Same as Socle.
Zo”di*ac, n. Etym: [F. zodiaque (cf. It. zodiaco), fr. L. zodiacus,
(a) An imaginary belt in the heavens, 16º or 18º broad, in the middle
of which is the ecliptic, or sun’s path. It comprises the twelve
constellations, which one constituted, and from which were named, the
twelve signs of the zodiac.
(b) A figure representing the signs, symbols, and constellations of
2. A girdle; a belt. [Poetic & R.]
By his side, As in a glistering zodiac, hung the sword. Milton.
Zo*di”a*cal, a. Etym: [Cf. F. zodiacal.] (Astron.)
Defn: Of or pertaining to the zodiac; situated within the zodiac; as,
the zodiacal planets. Zodiacal light, a luminous tract of the sky, of
an elongated, triangular figure, lying near the ecliptic, its base
being on the horizon, and its apex at varying altitudes. It is to be
seen only in the evening, after twilight, and in the morning before
dawn. It is supposed to be due to sunlight reflected from multitudes
of meteoroids revolving about the sun nearly in the plane of the
Zo”ë*a, n. Etym: [NL., fr. Gr. (Zoöl.)
Defn: A peculiar larval stage of certain decapod Crustacea,
especially of crabs and certain Anomura. [Written also zoæa.]
Note: In this stage the anterior part of the body is relatively
large, and usually bears three or four long spines. The years are
conspicuous, and the antennæ and jaws are long, fringed organs used
in swimming. The thoracic legs are undeveloped or rudimentary, the
abdomen long, slender, and often without appendages. The zoëa, after
casting its shell, changes to a megalops.
Zo”e*trope, n. Etym: [Gr.
Defn: An optical toy, in which figures made to revolve on the inside
of a cylinder, and viewed through slits in its circumference, appear
like a single figure passing through a series of natural motions as
if animated or mechanically moved.
Zo”har, n. Etym: [Heb. z candor, splendor.]
Defn: A Jewish cabalistic book attributed by tradition to Rabbi Simon
ben Yochi, who lived about the end of the 1st century, a. d. Modern
critics believe it to be a compilation of the 13th century. Encyc.
Zo”ic, a. Etym: [Gr. (Zoöl.)
Defn: Of or pertaining to animals, or animal life.
Zo”ide, n. (Biol.)
Defn: See Meride.
Defn: Having the characteristic of Zoilus, a bitter, envious, unjust
critic, who lived about 270 years before Christ.
Defn: Resemblance to Zoilus in style or manner; carping criticism;
Bring candid eyes the perusal of men’s works, and let not Zoilism or
detraction blast well-intended labors. Sir T. Browne.
Zois”ite, n. Etym: [After its discoverer, Von Zois, an Austrian
Defn: A grayish or whitish mineral occurring in orthorhombic,
prismatic crystals, also in columnar masses. It is a silicate of
alumina and lime, and is allied to epidote.
Zo”ism, n. [Gr. zwh` life + -ism.]
1. Reverence for animal life or belief in animal powers and
influences, as among savages.
2. (Biol.) A doctrine, now discarded, that the phenomena of life are
due to a peculiar vital principle; the theory of vital force.
Zo”kor, n. (Zoöl.)
Defn: An Asiatic burrowing rodent (Siphneus aspalax) resembling the
mole rat. It is native of the Altai Mountains.
Defn: In the style of Zola (see Zolaism).
Defn: The literary theories and practices of the French novelist
Emile Zola (1840-1902); naturalism, esp. in a derogatory sense. —
Zo”la*ist, n. — Zo`la*is”tic (#), a. — Zo”la*ize (#), v.
Zöll”ner’s lines`. [So called after Friedrich Zöllner, a German
Defn: Parallel lines that are made to appear convergent or divergent
by means of oblique intersections.
Zoll”ve*rein`, n. Etym: [G., from zoll duty + verein union.]
Defn: Literally, a customs union; specifically, applied to the
several customs unions successively formed under the leadership of
Prussia among certain German states for establishing liberty of
commerce among themselves and common tariff on imports, exports, and
Note: In 1834 a zollverein was established which included most of the
principal German states except Austria. This was terminated by the
events of 1866, and in 1867 a more closely organized union was
formed, the administration of which was ultimately merged in that of
the new German empire, with which it nearly corresponds
Zom”bo*ruk, n. (Mil.)
Defn: See Zumbooruk.
Zo”na, n.; pl. Zonæ. Etym: [L., a girdle. See Zone.]
Defn: A zone or band; a layer. Zona pellucida. Etym: [NL.] (Biol.)
(a) The outer transparent layer, or envelope, of the ovum. It is a
more or less elastic membrane with radiating striæ, and corresponds
to the cell wall of an ordinary cell. See Ovum, and Illust. of
Microscope. (b) The zona radiata.
— Zona radiata Etym: [NL.] (Biol.), a radiately striated membrane
situated next the yolk of an ovum, or separated from it by a very
delicate membrane only.
Zon”al, a. Etym: [L. zonalis.]
Defn: Of or pertaining to a zone; having the form of a zone or zones.
Zonal equation (Crystallog.), the mathematical relation which belongs
to all the planes of a zone, and expresses their common position with
reference to the axes.
— Zonal structure (Crystallog.), a structure characterized by the
arrangements of color, inclusions, etc., of a crystal in parallel or
concentric layers, which usually follow the outline of the crystal,
and mark the changes that have taken place during its growth.
— Zonal symmetry. (Biol.) See the Note under Symmetry.
Zo”nar, n. Etym: [Mod. Gr. Zone.]
Defn: A belt or girdle which the Christians and Jews of the Levant
were obliged to wear to distinguish them from Mohammedans. [Written
Zo*na”ri*a, n. pl. Etym: [NL.] (Zoöl.)
Defn: A division of Mammalia in which the placenta is zonelike.
Zon”ate, a. (Bot.)
Defn: Divided by parallel planes; as, zonate tetraspores, found in
certain red algæ.
Zone, n. Etym: [F. zone, L. zona, Gr. j to gird, Zend yah.]
1. A girdle; a cincture. [Poetic]
An embroidered zone surrounds her waist. Dryden.
Loose were her tresses seen, her zone unbound. Collins.
Defn: One of the five great divisions of the earth, with respect to
latitude and temperature.
Note: The zones are five: the torrid zone, extending from tropic to
tropic 46º 56min, or 23º 28min on each side of the equator; two
temperate or variable zones, situated between the tropics and the
polar circles; and two frigid zones, situated between the polar
circles and the poles.
Commerce . . . defies every wind, outrides every tempest, and
Defn: The portion of the surface of a sphere included between two
parallel planes; the portion of a surface of revolution included
between two planes perpendicular to the axis. Davies & Peck (Math.
4. (Nat. Hist.)
(a) A band or stripe extending around a body.
(b) A band or area of growth encircling anything; as, a zone of
evergreens on a mountain; the zone of animal or vegetable life in the
ocean around an island or a continent; the Alpine zone, that part of
mountains which is above the limit of tree growth.
Defn: A series of planes having mutually parallel intersections.
6. Circuit; circumference. [R.] Milton. Abyssal zone. (Phys. Geog.)
See under Abyssal.
— Zone axis (Crystallog.), a straight line passing through the
center of a crystal, to which all the planes of a given zone are
Zone, v. t.
Defn: To girdle; to encircle. [R.] Keats.
1. Wearing a zone, or girdle. Pope.
2. Having zones, or concentric bands; striped.
Defn: Not having a zone; ungirded.
The reeling goddess with the zoneless waist. Cowper.
In careless folds, loose fell her zoneless vest. Mason.
Defn: See Zonar.
Defn: Of or pertaining to a zone; zone-shaped. “The zonular type of a
Defn: A little zone, or girdle.
Defn: A zonule. Herrick.
Zon”ure, n. Etym: [Zone + Gr. (Zoöl.)
Defn: Any one of several of South African lizards of the genus
Zonura, common in rocky situations.
Defn: A combining form from Gr. zwo^,n an animal, as in zoögenic,
Defn: Pertaining to zoöchemistry.
Zo`ö*chem”is*try, n. Etym: [Zoö- + chemistry.]
Defn: Animal chemistry; particularly, the description of the chemical
compounds entering into the composition of the animal body, in
distinction from biochemistry.
Zo*öch”e*my, n. Etym: [Zoö- + Gr.
Defn: Animal chemistry; zoöchemistry. Dunglison.
Zo`ö*chlo*rel”la, n. Etym: [NL., dim. from Gr. (Zoöl.)
Defn: One of the small green granulelike bodies found in the interior
of certain stentors, hydras, and other invertebrates.
Zo”ö*cyst, n. Etym: [Zoö- + cyst.] (Biol.)
Defn: A cyst formed by certain Protozoa and unicellular plants which
the contents divide into a large number of granules, each of which
becomes a germ.
Zo`ö*cy”ti*um, n.; pl. Zoöcytia. Etym: [NL., fr. Gr. (Zoöl.)
Defn: The common support, often branched, of certain species of
Zo`ö*den”dri*um, n.; pl. Zoödendria. Etym: [NL., fr. Gr. (Zoöl.)
Defn: The branched, and often treelike, support of the colonies of
Zo*oe”ci*um, n.; pl. Zooecia. Etym: [NL., fr. Gr. (Zoöl.)
Defn: One of the cells or tubes which inclose the feeling zooids of
Bryozoa. See Illust. of Sea Moss.
Zo`ö*e*ryth”rine, n. Etym: [Zoö- + Gr. (Zoöl.)
Defn: A peculiar organic red coloring matter found in the feathers of
Zo*ög”a*mous, a. Etym: [Zoö- + Gr. (Biol.)
Defn: Of or pertaining zoögamy.
Zo*ög”a*my, n. (Biol.)
Defn: The sexual reproduction of animals.
Zo`ö*gen”ic, a. Etym: [Zoö- + -gen + -ic: cf. Gr. (Biol.)
Defn: Of or pertaining to zoögeny, animal production.
ZOOGENY; ZOOEGENY; ZOOGONY; ZOOEGONY
Zo*ög”e*ny, Zo*ög”o*ny, n. Etym: [Zoö- + root of Gr.
Defn: The doctrine of the formation of living beings.
Defn: Of or pertaining to zoögraphy.
Zo`ö*ge*og”ra*phy, n. Etym: [Zoö- + geography.]
Defn: The study or description of the geographical distribution of
Zo`ö*gloe”a, n. Etym: [NL., from Gr. (Biol.)
Defn: A colony or mass of bacteria imbedded in a viscous gelatinous
substance. The zoögloea is characteristic of a transitory stage
through which rapidly multiplying bacteria pass in the course of
their evolution. Also used adjectively.
Defn: One who describes animals, their forms and habits.
ZOOGRAPHIC; ZOOEGRAPHIC; ZOOGRAPHICAL; ZOOEGRAPHICAL
Zo`ö*graph”ic, Zo`ö*graph”ic*al, a. Etym: [Cf. F. zoographique.]
Defn: Of or pertaining to the description of animals.
Defn: A zoögrapher.
Zo*ög”ra*phy, n. Etym: [Zoö- + -graphy: cf. F. zoographie.]
Defn: A description of animals, their forms and habits.
Zo”oid, a. Etym: [Zoö- + -oid.] (Biol.)
Defn: Pertaining to, or resembling, an animal.
Defn: An organic body or cell having locomotion, as a spermatic cell
(a) An animal in one of its inferior stages of development, as one of
the intermediate forms in alternate generation.
(b) One of the individual animals in a composite group, as of
Anthozoa, Hydroidea, and Bryozoa; — sometimes restricted to those
individuals in which the mouth and digestive organs are not
Defn: Of or pertaining to a zooid; as, a zooidal form.
Zo*öl”a*try, n. Etym: [Zoö- + Gr.
Defn: The worship of animals.
Defn: A zoölogist. Boyle.
Zo`ö*log”ic*al, a. Etym: [Cf. F. zoologique.]
Defn: Of or pertaining to zoölogy, or the science of animals.
Defn: In a zoölogical manner; according to the principles of zoölogy.
Zo*öl”o*gist, n. Etym: [Cf. F. zoologiste.]
Defn: One who is well versed in zoölogy.
Zo*öl”o*gize, v. i.
Defn: To study zoölogy; esp., to collect animals for study.
Zo*öl”o*gy, n.; pl. Zoölogies. Etym: [Zoö- + -logy: cf. F. zoologie.
1. That part of biology which relates to the animal kingdom,
including the structure, embryology, evolution, classification,
habits, and distribution of all animals, both living and extinct.
2. A treatise on this science.
Zo`ö*mel”a*nin, n. Etym: [Zoö- + melanin.] (Physiol. Chem.)
Defn: A pigment giving the black color to the feathers of many birds.
Zo`ö*mor”phic, a. Etym: [Zoö- + Gr.
Defn: Of or pertaining to zoömorphism.
1. The transformation of men into beasts. [R.] Smart.
2. The quality of representing or using animal forms; as, zoömorphism
3. The representation of God, or of gods, in the form, or with the
attributes, of the lower animals.
To avoid the error of anthropomorphism, we fall into the vastly
greater, and more absurd, error of zoömorphism. Mivart.
Zo”ön, n.; pl. Zoa. Etym: [NL., fr. Gr. (Zoöl.)
(a) An animal which is the sole product of a single egg; — opposed
to zooid. H. Spencer.
(b) Any one of the perfectly developed individuals of a compound
Zo*ön”ic, a. Etym: [Gr. zoonique.]
Defn: Of or pertaining to animals; obtained from animal substances.
Zo”ö*nite, n. (Zoöl.)
(a) One of the segments of the body of an articulate animal.
(b) One of the theoretic transverse divisions of any segmented
Zo*ön”o*my, n. Etym: [Zoö- + Gr. zoonomie.]
Defn: The laws animal life, or the science which treats of the
phenomena of animal life, their causes and relations.
Zo”ö*nule, n. Etym: [Dim. fr. Gr. (Zoöl.)
Defn: Same as Zoönite.
Zo`ö*pa*thol”o*gy, n. Etym: [Zoö- + pathology.]
Defn: Animal pathology.
Zo*öph”a*ga, n. pl. Etym: [NL., fr. Gr. (Zoöl.)
Defn: An artificial group comprising various carnivorous and
Zo*öph”a*gan, n. (Zoöl.)
Defn: A animal that feeds on animal food.
Zo*öph”a*gous, a. Etym: [Gr.
Defn: Feeding on animals.
Note: This is a more general term than either sarcophagous or
Zo*öph”i*list, n. Etym: [Zoö- + Gr.
Defn: A lover of animals. Southey.
Defn: Love of animals.
Defn: A zoöphyte. [R.]
Zo`ö*phor”ic, a. Etym: [Gr. zoophorique.]
Defn: Bearing or supporting the figure of an animal; as, a zoöphoric
Zo*öph”o*rous, n. Etym: [L., fr. Gr. Zoöphoric.] (Anc. Arch.)
Defn: The part between the architrave and cornice; the frieze; — so
called from the figures of animals carved upon it.
Zo*öph”y*ta, n. pl. Etym: [NL., from Gr. (Zoöl.)
Defn: An extensive artificial and heterogeneous group of animals,
formerly adopted by many zoölogists. It included the coelenterates,
echinoderms, sponges, Bryozoa, Protozoa, etc.
Note: Sometimes the name is restricted to the Coelentera, or to the
Zo”ö*phyte, n. Etym: [F. zoophyte, Gr. Zodiac, and Be, v. i.] (Zoöl.)
(a) Any one of numerous species of invertebrate animals which more or
less resemble plants in appearance, or mode of growth, as the corals,
gorgonians, sea anemones, hydroids, bryozoans, sponges, etc.,
especially any of those that form compound colonies having a branched
or treelike form, as many corals and hydroids.
(b) Any one of the Zoöphyta.
ZOOPHYTIC; ZOOEPHYTIC; ZOOPHYTICAL; ZOOEPHYTICAL
Zo`ö*phyt”ic, Zo`ö*phyt”ic*al, a. Etym: [Cf. F. zoophytique.] (Zoöl.)
Defn: Of or pertaining to zoöphytes.
Zo*öph”y*toid, a. Etym: [Zoöphyte + -oid.] (Zoöl.)
Defn: Pertaining to, or resembling, a zoöphyte.
Zo`ö*phyt`o*log”ic*al, a. Etym: [Cf. F. zoophytologique.]
Defn: Of or pertaining to zoöphytology; as, zoöphytological
Zo*öph`y*tol”o*gy, n. Etym: [Zoöphyte + -logy: cf. F. zoophytologie.]
Defn: The natural history zoöphytes.
Zo`ö*prax”i*scope, n. Etym: [Zoö- + Gr. -scope.]
Defn: An instrument similar to, or the same as, the, the
phenakistoscope, by means of which pictures projected upon a screen
are made to exhibit the natural movements of animals, and the like.
Zo`ö*psy*chol”o*gy, n. Etym: [Zoö- + psychology.]
Defn: Animal psychology.
Zo”ö*sperm, n. Etym: [Zoö- + sperm.] (Biol.)
Defn: One of the spermatic particles; spermatozoid.
Zo`ö*spo*ran”gi*um, n.; pl. -sporangia. Etym: [NL. See Zoö-, and
Defn: A spore, or conceptacle containing zoöspores.
Zo”ö*spore, n. Etym: [Zoö- + spore.]
Defn: A spore provided with one or more slender cilia, by the
vibration of which it swims in the water. Zoöspores are produced by
many green, and by some olive-brown, algæ. In certain species they
are divided into the larger macrozoöspores and the smaller
microzoöspores. Called also sporozoid, and swarmspore.
Defn: See Swarmspore.
Defn: Of or pertaining to zoöspores; of the nature of zoöspores.
Zo*öt”ic, a. Etym: [Gr.
Defn: Containing the remains of organized bodies; — said of rock or
Zo`ö*tom”ic*al, a. Etym: [Cf. F. zootomique.]
Defn: Of or pertaining to zoötomy.
Zo*öt”o*mist, n. Etym: [Cf. F. zootomiste.]
Defn: One who dissects animals, or is skilled in zoötomy.
Zo*öt”o*my, n. Etym: [Zoö- + Gr. zootomie.]
Defn: The dissection or the anatomy of animals; — distinguished from
Zo`ö*troph”ic, a. Etym: [Gr. Zoö-, and Trophic.] (Physiol.)
Defn: Of or pertaining to the nourishment of animals.
Zoo”zoo`, n. Etym: [Of imitative origin.] (Zoöl.)
Defn: The wood pigeon. [Prov. Eng.]
Zope, n. Etym: [G.] (Zoöl.)
Defn: A European fresh-water bream (Abramis ballerus).
Zo”pi*lote, n. Etym: [Sp.] (Zoöl.)
Defn: The urubu, or American black vulture.
Zor”il, n. (Zoöl.)
Defn: Same as Zorilla.
Zo*ril”la, n. Etym: [Sp. zorilla, zorillo, dim. of zorra, zorro, a
fox: cf. F. zorille.] (Zoöl.)
Defn: Either one of two species of small African carnivores of the
genus Ictonyx allied to the weasels and skunks. [Written also zoril,
Note: The best-known species (Ictonyx zorilla) has black shiny fur
with white bands and spots. It has anal glands which produce a very
offensive secretion, similar to that of the skunk. It feeds upon
birds and their eggs and upon small mammals, and is often very
destructive to poultry. It is sometimes tamed by the natives, and
kept to destroy rats and mice. Called also mariput, Cape polecat, and
African polecat. The name is sometimes erroneously applied to the
Defn: Of or pertaining to Zoroaster, or his religious system.
Defn: A follower of Zoroaster; one who accepts Zoroastrianism.
Defn: The religious system of Zoroaster, the legislator and prophet
of the ancient Persians, which was the national faith of Persia;
mazdeism. The system presupposes a good spirit (Ormuzd) and an
opposing evil spirit (Ahriman). Cf. Fire worship, under Fire, and
Defn: Same as Zoroastrianism. Tylor.
Zos”ter, n. Etym: [L., fr. Gr. Zone.] (Med.)
Zos”te*ra, n. Etym: [NL.] (Bot.)
Defn: A genus of plants of the Naiadaceæ, or Pondweed family. Zostera
marina is commonly known as sea wrack, and eelgrass.
Zos”ter*ops, n. Etym: [NL., fr. Gr. (Zoöl.)
Defn: A genus of birds that comprises the white-eyes. See White-eye.
Zouave, n. Etym: [F., fr. Ar. Zouaoua a tribe of Kabyles living among
the Jurjura mountains in Algeria.] (Mil.)
(a) One of an active and hardy body of soldiers in the French
service, originally Arabs, but now composed of Frenchmen who wear the
(b) Hence, one of a body of soldiers who adopt the dress and drill of
the Zouaves, as was done by a number of volunteer regiments in the
army of the United States in the Civil War, 1861-65.
Zounds, interj. Etym: [Contracted from God’s wounds.]
Defn: An exclamation formerly used as an oath, and an expression of
anger or wonder.
Zoutch, v. t. (Cookery)
Defn: To stew, as flounders, eels, etc., with just enough or liquid
to cover them. Smart.
Zubr, n. Etym: [Polish .] (Zoöl.)
Defn: The aurochs.
Defn: A stump of a tree. Cowell.
Zu*chet”to, n. Etym: [It. zucchetto.] (R. C. Ch.)
Defn: A skullcap covering the tonsure, worn under the berretta. The
pope’s is white; a cardinal’s red; a bishop’s purple; a priest’s
Zu”fo*lo, n. Etym: [It.] (Mus.)
Defn: A little flute or flageolet, especially that which is used to
teach birds. [Written also zuffolo.]
Defn: Of or pert. to the Zuñis, or designating their linguistic
Defn: A Zuñi.
Zui”sin, n. (Zoöl.)
Defn: The American widgeon. [Local, U. S.]
Zu”lu, n. [Also Zooloo.]
1. Any member of the tribe of Zulus; a Zulu-Kaffir. See Zulus.
2. (Philol.) One of the most important members of the South African,
or Bantu, family of languages, spoken partly in Natal and partly in
Zululand, but understood, and more or less in use, over a wide
territory, at least as far north as the Zambezi; — called also Zulu-
Defn: A member of the Bantu race comprising the Zulus and the
Zu”lus, n. pl.; sing. Zulu (. (Ethnol.)
Defn: The most important tribe belonging to the Kaffir race. They
inhabit a region on the southeast coast of Africa, but formerly
occupied a much more extensive country. They are noted for their
warlike disposition, courage, and military skill.
Zum*boo”ruk, n. Etym: [Turk. & Ar. zamb, fr. Ar. zamb a hornet.]
Defn: A small cannon supported by a swiveled rest on the back of a
camel, whence it is fired, — used in the East.
ZUMIC; ZUMOLOGICAL; ZUMOLOGY; ZUMOMETER
Zu”mic, a., Zu`mo*log”ic*al, a., Zu*mol”o*gy, n., Zu*mom”e*ter, n.,
Defn: See Zymic, Zymological, etc.
Zu”nis, n. pl.; sing. Zuni (. (Ethnol.)
Defn: A tribe of Pueblo Indians occupying a village in New Mexico, on
the Zuni River.
Zun”yite, n. (Min.)
Defn: A fluosilicate of alumina occurring in tetrahedral crystals at
the Zuñi mine in Colorado.
Zwan”zi*ger, n. Etym: [G.]
Defn: Am Austrian silver coin equivalent to 20 kreutzers, or about 10
Zwie”back`, n. [G., fr. zwie-two, twice (see Twice) + backen to
Defn: A kind of biscuit or rusk first baked in a loaf and afterwards
cut and toasted.
Zwing”li*an, a. (Theol.)
Defn: Of or pertaining to Ulric Zwingli (1481-1531), the reformer of
German Switzerland, who maintained that in the Lord’s Supper the true
body of Christ is present by the contemplation of faith but not in
essence or reality, and that the sacrament is a memorial without
mystical elements. — n.
Defn: A follower of Zwingli.
Zy*gan”trum, n.; pl. Zygantra. Etym: [Gr. (Anat.)
Defn: See under Zygosphene.
Zyg`a*poph”y*sis, n.; pl. Zygapophyses. Etym: [Gr. apophysis.]
Defn: One of the articular processes of a vertebra, of which there
are usually four, two anterior and two posterior. See under Vertebra.
— Zyg`ap*o*phys”i*al, a.
Zyg”e*nid, n. Etym: [Cf. Gr. (Zoöl.)
Defn: Any one of numerous species of moths of the family Zygænidæ,
most of which are bright colored. The wood nymph and the vine
forester are examples. Also used adjectively.
Zyg`o*bran”chi*a, n. pl. Etym: [NL., from Gr. (Zoöl.)
Defn: A division of marine gastropods in which the gills are
developed on both sides of the body and the renal organs are also
paired. The abalone (Haliotis) and the keyhole limpet (Fissurella)
Zyg`o*bran”chi*ate, a. (Zoöl.)
Defn: Of or pertaining to the Zygobranchia.
Zyg`o*dac”tyl, Zyg`o*dac”tyle, n. Etym: [See Zygodactylic.] (Zoöl.)
Defn: Any zygodactylous bird.
Zyg`o*dac”ty*læ, n. pl. Etym: [NL.] (Zoöl.)
Defn: The zygodactylous birds. In a restricted sense applied to a
division of birds which includes the barbets, toucans, honey guides,
and other related birds.
Zyg`o*dac”ty*li, n. pl. Etym: [NL.] (Zoöl.)
Defn: Same as Scansores.
Zyg`o*dac”ty*lic, Zyg`o*dac”tyl*ous, a. Etym: [Gr. zygodactyle.]
Defn: Yoke-footed; having the toes disposed in pairs; — applied to
birds which have two toes before and two behind, as the parrot,
cuckoo, woodpecker, etc.
Zy*go”ma, n. Etym: [NL., fr. Gr. (Anat.)
(a) The jugal, malar, or cheek bone.
(b) The zygomatic process of the temporal bone.
(c) The whole zygomatic arch.
Zyg`o*mat”ic, a. Etym: [Cf. F. zygomatique.] (Anat.)
Defn: Of, pertaining to, or in the region of, the zygoma. Zygomatic
arch, the arch of bone beneath the orbit, formed in most mammals by
the union of the malar, or jugal, with the zygomatic process of the
temporal bone. In the lower vertebrates other bones may help to form
it, and there may be two arches on each side of the skull, as in some
— Zygomatic process, a process of the temporal or squamosal bone
helping to form the zygomatic arch.
Zyg`o*mor”phic, Zyg`o*mor”phous, a. Etym: [Gr. (Biol.)
Defn: Symmetrical bilaterally; — said of organisms, or parts of
organisms, capable of division into two symmetrical halves only in a
Zy”go*phyte, n. Etym: [Gr. (Bot.)
Defn: Any plant of a proposed class or grand division (Zygophytes,
Zygophyta, or Zygosporeæ), in which reproduction consists in the
union of two similar cells. Cf. Oöphyte.
Zy*go”sis, n. Etym: [NL., fr. Gr. (Biol.)
Defn: Same as Conjugation.
Zyg”o*sperm, n. Etym: [Gr. sperm.] (Bot.)
Defn: A spore formed by the union of the contents of two similar
cells, either of the same or of distinct individual plants.
Zygosperms are found in certain orders of algæ and fungi.
Zyg”o*sphene, n. Etym: [Gr. (Anat.)
Defn: A median process on the front part of the neural arch of the
vertebræ of most snakes and some lizards, which fits into a fossa,
called the zygantrum, on the back part of the arch in front.
Zyg”o*spore, n. Etym: [Gr. spore.] (Bot.)
(a) Same as Zygosperm.
(b) A spore formed by the union of several zoöspores; — called also
Zy”lon*ite, n. Etym: [Gr.
Zym”ase, n. Etym: [From Zyme.] (Physiol. Chem.)
Defn: A soluble ferment, or enzyme. See Enzyme.
Zyme, n. Etym: [Gr.
1. A ferment.
Defn: The morbific principle of a zymotic disease. Quain.
Zym”ic, a. (Old Chem.)
Defn: Pertaining to, or produced by, fermentation; — formerly, by
confusion, used to designate lactic acid.
Zym”o*gen, n. Etym: [Zyme + -gen.] (Physiol. Chem.)
Defn: A mother substance, or antecedent, of an enzyme or chemical
ferment; — applied to such substances as, not being themselves
actual ferments, may by internal changes give rise to a ferment.
The pancreas contains but little ready-made ferment, though there is
present in it a body, zymogen, which gives birth to the ferment.
Zym”o*gene, n. Etym: [Zyme + root of Gr. (Biol.)
Defn: One of a physiological group of globular bacteria which
produces fermentations of diverse nature; — distinguished from
Zym`o*gen”ic, a. (Biol.)
(a) Pertaining to, or formed by, a zymogene.
(b) Capable of producing a definite zymogen or ferment. Zymogenic
organism (Biol.), a microörganism, such as the yeast plant of the
Bacterium lactis, which sets up certain fermentative processes by
which definite chemical products are formed; — distinguished from a
pathogenic organism. Cf. Micrococcus.
Zy`mo*log”ic, Zy`mo*log”ic*al, a. Etym: [Cf. F. zymologique.]
Defn: Of or pertaining to zymology.
Defn: One who is skilled in zymology, or in the fermentation of
Zy*mol”o*gy, n. Etym: [Zyme + -logy: cf. F. zymologie.]
Defn: A treatise on the fermentation of liquors, or the doctrine of
fermentation. [Written also zumology.]
Zy*mol”y*sis, n. [NL. See Zyme, and Lysis.] (Physiol. Chem.)
Defn: The action of enzymes; also, the changes produced by such
action. –Zy`mo*lyt”ic (#), a.
Zy”mome, n. Etym: [Gr. (Old Chem.)
Defn: A glutinous substance, insoluble in alcohol, resembling
legumin; — now called vegetable fibrin, vegetable albumin, or gluten
Zy*mom”e*ter, Zy`mo*sim”e*ter, n. Etym: [Gr. -meter: cf. F.
Defn: An instrument for ascertaining the degree of fermentation
occasioned by the mixture of different liquids, and the degree of
heat which they acquire in fermentation.
Zym”o*phyte, n. Etym: [Zyme + Gr. (Physiol. Chem.)
Defn: A bacteroid ferment.
Zy*mose”, n. (Chem.)
Zy*mo”sis, n. Etym: [NL., fr. Gr. (Med.)
(a) A fermentation; hence, an analogous process by which an
infectious disease is believed to be developed.
(b) A zymotic disease. [R.]
Zy*mot”ic, a. Etym: [Gr.
1. Of, pertaining to, or caused by, fermentation.
Defn: Designating, or pertaining to, a certain class of diseases. See
Zymotic disease, below. Zymotic disease (Med.), any epidemic,
endemic, contagious, or sporadic affection which is produced by some
morbific principle or organism acting on the system like a ferment.
Defn: See Zythum.
Zy*thep”sa*ry, n. Etym: [Gr.
Defn: A brewery. [R.]
Zy”thumn. Etym: [L.fr. Gr.
Defn: A kind of ancient malt beverage; a liquor made from malt and
wheat. [Written also zythem.]