Zoanthacea
Zo•an•tha´ce•a, n. pl. [NL., from Gr. zw^,on an animal + flower.] (Zoöl.) A suborder of Actinaria, including Zoanthus and allied genera, which are permanently attached by their bases.

Zoantharia
Zo•an•tha´ri•a, n. pl. [NL.] (Zoöl.) Same as Anthozoa.

Zoantharian
Zo•an•tha´ri•an, a. (Zoöl.) Of or pertaining to the Zoantharia. — n. One of the Anthozoa.

Zoanthodeme
Zo•an´tho•deme, n. [See Zoantharia, and Deme.] (Zoöl.) The zooids of a compound anthozoan, collectively.

Zoanthoid
Zo•an´thoid, a. [See Zoantharia, and -oid.] (Zoöl.) Of or pertaining to the Zoanthacea.

Zoanthropy
Zo•an´thro•py, n. [Gr. animal + man.] (Med.) A kind of monomania in which the patient believes himself transformed into one of the lower animals.

Zoanthus
Zo•an´thus, n. [NL. See Zoantharia.] (Zoöl.) 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.

Zobo
Zo´bo, n. [Native name.] (Zoöl.) 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. [It. fr. L. socculus. See Socle, and cf. Zacco.] (Arch.) Same as Socle.

Zocle
Zo´cle ( 277), n. (Arch.) Same as Socle.

Zodiac
Zo´di•ac, n. [F. zodiaque (cf. It. zodiaco), fr. L. zodiacus, Gr. (sc. ), fr., dim. of zw^,on an animal, akin to living, to live.]
1. (Astron.) (a) An imaginary belt in the heavens, 16° or 18° 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 the zodiac.
2. A girdle; a belt. [Poetic & R.]
"By his side, As in a glistering zodiac, hung the sword." Milton.

Zodiacal
Zo•di´a•cal, a. [Cf. F. zodiacal.] (Astron.) 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 ecliptic.

Zoëa
Zo"ë•a, n. [NL., fr. Gr. life.] (Zoöl.) A peculiar larval stage of certain decapod Crustacea, especially of crabs and certain Anomura. [Written also zoaea.] 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 antennae 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.

Zoetrope
Zo´e•trope, n. [Gr. life + turning, from to turn.] 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.

Zohar
Zo´har, n. [Heb. zohar candor, splendor.] 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. Brit.

Zoic
Zo´ic, a. [Gr. .] (Zoöl.) Of or pertaining to animals, or animal life.

Zoide
Zo´ide, n. (Biol.) See Meride.

Zoilean
Zo•il´e•an, a. Having the characteristic of Zoilus, a bitter, envious, unjust critic, who lived about 270 years before Christ.

Zoilism
Zo´i•lism, n. Resemblance to Zoilus in style or manner; carping criticism; detraction.
"Bring candid eyes the perusal of men’s works, and let not Zoilism or detraction blast well-intended labors." Sir T. Browne.

Zoisite
Zois´ite, n. [After its discoverer, Von Zois, an Austrian mineralogist.] (Min.) 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.

Zoism
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.

Zokor
Zo´kor, n. (Zoöl.) An Asiatic burrowing rodent ( Siphneus aspalax) resembling the mole rat. It is native of the Altai Mountains.

Zolaesque
Zo•la•esque´, a. In the style of Zola (see Zolaism).

Zolaism
Zo´la•ism, n. 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.

Zollverein
Zoll´ve•rein, n. [G., from zoll duty + verein union.] 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 transit. 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 territorially.

Zomboruk
Zom´bo•ruk, n. (Mil.) See Zumbooruk.

Zona
Zo´na, n. ; pl. Zonae (#). [L., a girdle. See Zone.] A zone or band; a layer. Zona pellucida. [NL.] (Biol.) (a) The outer transparent layer, or envelope, of the ovum. It is a more or less elastic membrane with radiating striae, and corresponds to the cell wall of an ordinary cell. See Ovum, and Illust. of Microscope. (b) The zona radiata. — Zona radiata [NL.] (Biol.), a radiately striated membrane situated next the yolk of an ovum, or separated from it by a very delicate membrane only.

Zonal
Zon´al, a. [L. zonalis.] 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.

Zonar
Zo´nar, n. [Mod. Gr. a girdle, fr. Gr., dim. of a girdle. See Zone.] A belt or girdle which the Christians and Jews of the Levant were obliged to wear to distinguish them from Mohammedans. [Written also zonnar.]

Zonaria
Zo•na´ri•a, n. pl. [NL.] (Zoöl.) A division of Mammalia in which the placenta is zonelike.

Zonate
Zon´ate, a. (Bot.) Divided by parallel planes; as zonate tetraspores, found in certain red algae.

Zone (zon), n. [F. zone, L. zona, Gr. zw•nh; akin to zwnny•nai to gird, Lith. j&uring;sta a girdle, j&uring;sti 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.
2. (Geog.) One of the five great divisions of the earth, with respect to latitude and temperature. The zones are five: the torrid zone, extending from tropic to tropic 46° 56&min;, or 23° 28&min; 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 invades." Bancroft.
3. (Math.) 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. Dict.)
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.
5. (Crystallog.) 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 parallel.

Zone, v. t. To girdle; to encircle. [R.] Keats.

Zone, n.
1. (Biogeography) An area or part of a region characterized by uniform or similar animal and plant life; a life zone; as Littoral zone, Austral zone, etc. The zones, or life zones, commonly recognized for North America are Arctic, Hudsonian, Canadian, Transition, Upper Austral, Lower Austral, and Tropical.
2. (Cryst.) A series of faces whose intersection lines with each other are parallel.
3. (Railroad Econ.) (a) The aggregate of stations, in whatsoever direction or on whatsoever line of railroad, situated between certain maximum and minimum limits from a point at which a shipment of traffic originates. (b) Any circular or ring-shaped area within which the street-car companies make no differences of fare.
4. In the United States parcel-post system, any of the areas about any point of shipment for which but one rate of postage is charged for a parcel post shipment from that point. The rate increases from within outwards. The first zone includes the unit of area "(a quadrangle 30 minutes square)" in which the place of shipment is situated and the 8 contiguous units; the outer limits of the second to the seventh zones, respectively, are approximately 150, 300, 600, 1000, 1400, and 1800 miles from the point of shipment; the eighth zone includes all units of area outside the seventh zone.

Zoned, a.
1. Wearing a zone, or girdle. Pope.
2. Having zones, or concentric bands; striped.
3. (Bot.) Zonate.

Zoneless
Zone´less, a. Not having a zone; ungirded.
"The reeling goddess with the zoneless waist." Cowper.
"In careless folds, loose fell her zoneless vest." Mason.

Zonnar
Zon´nar, n. See Zonar.

Zonular
Zon´u•lar, a. Of or pertaining to a zone; zone-shaped. "The zonular type of a placenta." Dana.

Zonule
Zon´ule, n. A little zone, or girdle.

Zonulet
Zon´u•let, n. A zonule. Herrick.

Zonure
Zon´ure, n. [ Zone + Gr. tail.] (Zoöl.) Any one of several of South African lizards of the genus Zonura, common in rocky situations.

Zoö-
Zo"ö- A combining form from Gr. zwo^,n an animal, as in zoögenic, zoölogy, etc.

Zoöchemical
Zo•ö•chem"ic•al, a. Pertaining to zoöchemistry.

Zoöchemistry
Zo•ö•chem"is•try, n. [ Zoö- + chemistry.] Animal chemistry; particularly, the description of the chemical compounds entering into the composition of the animal body, in distinction from biochemistry.

Zoöchemy
Zo•öch"e•my, n. [ Zoö- + Gr. alchemy.] Animal chemistry; zoöchemistry. Dunglison.

Zoöchlorella
Zo•ö•chlo•rel"la, n. [NL., dim. from Gr. zw^,on an animal + green.] (Zoöl.) One of the small green granulelike bodies found in the interior of certain stentors, hydras and other invertebrates.

Zoöcyst
Zo"ö•cyst, n. [ Zoö- + cyst.] (Biol.) 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.

Zoöcytium
Zo•ö•cy"ti•um, n. ; pl. Zoöcytia (#). [NL., fr. Gr. zw^,on an animal + a hollow vessel.] (Zoöl.) The common support, often branched, of certain species of social Infusoria.

Zoödendrium
Zo•ö•den"dri•um, n. ; pl. Zoödendria (#). [NL., fr. Gr. zw^,on an animal + a tree.] (Zoöl.) The branched, and often treelike, support of the colonies of certain Infusoria.

Zoœcium
Zo•œ"ci•um, n. ; pl. Zoœcia (#). [NL., fr. Gr. zw^,on an animal + house.] (Zoöl.) One of the cells or tubes which inclose the feeling zooids of Bryozoa. See Illust. of Sea Moss.

Zoöerythrine
Zo•ö•e•ryth"rine, n. [ Zoö- + Gr. red.] (Zoöl.) A peculiar organic red coloring matter found in the feathers of various birds.

Zoögamous
Zo•ög"a•mous, a. [ Zoö- + Gr. marriage.] (Biol.) Of or pertaining zoögamy.

Zoögamy
Zo•ög"a•my, n. (Biol.) The sexual reproduction of animals.

Zoögenic
Zo•ö•gen"ic, a. [ Zoö- + -gen + -ic: cf. Gr. born of an animal.] (Biol.) Of or pertaining to zoögeny, animal production. { Zo•ög"e•ny, Zo•ög"o•ny } n. [ Zoö- + root of Gr. to be born, offspring.] The doctrine of the formation of living beings.

Zoögeographical
Zo•ö•ge•o•graph"ic•al, a. Of or pertaining to zoögraphy.

Zoögeography
Zo•ö•ge•og"ra•phy, n. [ Zoö- + geography.] The study or description of the geographical distribution of animals.

Zoöglœa
Zo•ö•glœ"a, n. [NL., from Gr. zw^,on an animal + any glutinous substance.] (Biol.) A colony or mass of bacteria imbedded in a viscous gelatinous substance. The zoöglœa is characteristic of a transitory stage through which rapidly multiplying bacteria pass in the course of their evolution. Also used adjectively.

Zoögrapher
Zo•ög"ra•pher, n. One who describes animals, their forms and habits. { Zo•ö•graph"ic, Zo•ö•graph"ic•al } a. [Cf. F. zoographique.] Of or pertaining to the description of animals.

Zoögraphist
Zo•ög"ra•phist, n. A zoögrapher.

Zoögraphy
Zo•ög"ra•phy, n. [ Zoö- + -graphy: cf. F. zoographie.] A description of animals, their forms and habits.

Zooid
Zo´oid, a. [ Zoö- + - oid.] (Biol.) Pertaining to, or resembling, an animal.

Zooid
Zo´oid, n.
1. (Biol.) An organic body or cell having locomotion, as a spermatic cell or spermatozooid.
2. (Zoöl.) (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 developed.

Zooidal
Zo•oid´al, a. Of or pertaining to a zooid; as a zooidal form.

Zoölatry
Zo•öl"a•try, n. [ Zoö- + Gr. worship.] The worship of animals.

Zoöloger
Zo•öl"o•ger, n. A zoölogist. Boyle.

Zoölogical
Zo•ö•log"ic•al, a. [Cf. F. zoologique.] Of or pertaining to zoölogy, or the science of animals.

Zoölogically
Zo•ö•log"ic•al•ly, adv. In a zoölogical manner; according to the principles of zoölogy.

Zoölogist
Zo•öl"o•gist, n. [Cf. F. zoologiste.] One who is well versed in zoölogy.

Zoölogize
Zo•öl"o•gize, v. i. To study zoölogy; esp., to collect animals for study.

Zoölogy
Zo•öl"o•gy, n. ; pl. Zoölogies (#). [ Zoö- + - logy: cf. F. zoologie. See Zodiac.]
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.

Zoömelanin
Zo•ö•mel"a•nin, n. [ Zoö- + melanin.] (Physiol. Chem.) A pigment giving the black color to the feathers of many birds.

Zoömorphic
Zo•ö•mor"phic, a. [ Zoö- + Gr. form.] Of or pertaining to zoömorphism.

Zoömorphism
Zo•ö•mor"phism, n.
1. The transformation of men into beasts. [R.] Smart.
2. The quality of representing or using animal forms; as zoömorphism in ornament.
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.

Zoön
Zo"ön, n. ; pl. Zoa (#). [NL., fr. Gr. zw^,on an animal.] (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 animal.

Zoönic
Zo•ön"ic, a. [Gr. zw^,on an animal: cf. F. zoonique.] Of or pertaining to animals; obtained from animal substances.

Zoönite
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 animal.

Zoönomy
Zo•ön"o•my, n. [ Zoö- + Gr. a law: cf. F. zoonomie.] The laws of animal life, or the science which treats of the phenomena of animal life, their causes and relations.

Zoönule
Zo"ö•nule, n. [Dim. fr. Gr. zw^,on an animal.] (Zoöl.) Same as Zoönite.

Zoöpathology
Zo•ö•pa•thol"o•gy, n. [ Zoö- + pathology.] Animal pathology.

Zoöphaga
Zo•öph"a•ga, n. pl. [NL., fr. Gr. animal + to eat.] (Zoöl.) An artificial group comprising various carnivorous and insectivorous animals.

Zoöphagan
Zo•öph"a•gan, n. (Zoöl.) A animal that feeds on animal food.

Zoöphagous
Zo•öph"a•gous, a. [Gr. ; zw^,on an animal + to eat.] Feeding on animals. This is a more general term than either sarcophagous or carnivorous.

Zoöphilist
Zo•öph"i•list, n. [ Zoö- + Gr. to love.] A lover of animals. Southey.

Zoöphily
Zo•öph"i•ly, n. Love of animals.

Zoöphite
Zo"ö•phite, n. A zoöphyte. [R.]

Zoöphoric
Zo•ö•phor"ic, a. [Gr. ; zw^,on an animal + to bear; cf. F. zoophorique.] Bearing or supporting the figure of an animal; as a zoöphoric column.

Zoöphorous
Zo•öph"o•rous, n. [L., fr. Gr. . See Zoöphoric.] (Anc. Arch.) The part between the architrave and cornice; the frieze; — so called from the figures of animals carved upon it.

Zoöphyta
Zo•öph"y•ta, n. pl. [NL., from Gr. zw^,on an animal + fyto•n a plant.] (Zoöl.) An extensive artificial and heterogeneous group of animals, formerly adopted by many zoölogists. It included the cœlenterates, echinoderms, sponges, Bryozoa, Protozoa, etc. Sometimes the name is restricted to the Cœlentera, or to the Anthozoa.

Zoöphyte
Zo"ö•phyte, n. [F. zoophyte, Gr. ; zw^,on an animal + plant, akin to to be born, to be. See 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. { Zo•ö•phyt"ic, Zo•ö•phyt"ic•al } a. [Cf. F. zoophytique.] (Zoöl.) Of or pertaining to zoöphytes.