Zobo - Zooidal

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Zobo (?), 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.
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{ Zocco (?), Zoccolo (?), } n. [It. fr. L. socculus. See , and cf. .] (Arch.) Same as .
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Zocle (?; 277), n. (Arch.) Same as .
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Zocor (zōkôr), n. [Trade name from Merck & Co.] a trade name for .
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Zodiac (?), n. [F. zodiaque (cf. It. zodiaco), fr. L. zodiacus, Gr. � (sc. �), fr. �, dim. of zw^,on an animal, akin to � living, � to live.]
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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.
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2. A girdle; a belt. [Poetic & R.]
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By his side,
As in a glistering zodiac, hung the sword. Milton.
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Zodiacal (?), a. [Cf. F. zodiacal.] (Astron.) Of or pertaining to the zodiac; situated within the zodiac; as, the zodiacal planets.
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Coloq. 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.
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Zoëa (?), n. [NL., fr. Gr. � life.] (Zoöl.) A peculiar larval stage of certain decapod Crustacea, especially of crabs and certain Anomura. [Written also zoæa.]
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☞ 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.
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Zoetrope (?), 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.
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Zohar (?), n. [Heb. zōhar 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.
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Zoic (?), a. [Gr. �.] (Zoöl.) Of or pertaining to animals, or animal life.
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Zoide (?), n. (Biol.) See .
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Zoilean (?), a. Having the characteristic of Zoilus, a bitter, envious, unjust critic, who lived about 270 years before Christ.
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Zoilism (?), n. Resemblance to Zoilus in style or manner; carping criticism; detraction.
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Bring candid eyes the perusal of men's works, and let not Zoilism or detraction blast well-intended labors. Sir T. Browne.
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Zoisite (?), 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.
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Zoism (?), n. [Gr. zwh life + -ism.] 1. Reverence for animal life or belief in animal powers and influences, as among savages.
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2. (Biol.) A doctrine, now discarded, that the phenomena of life are due to a peculiar vital principle; the theory of vital force.
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Zokor (zōkôr), n. (Zoöl.) An Asiatic burrowing rodent (Siphneus aspalax) resembling the mole rat. It is native of the Altai Mountains.
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Zolaesque (?), a. In the style of Zola (see ).
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Zolaism (?), n. The literary theories and practices of the French novelist Emile Zola (1840-1902); naturalism, esp. in a derogatory sense. -- Zolaist, n. -- Zolaistic (#), a. -- Zolaize (#), v.
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Zöllner's lines (?). [So called after Friedrich Zöllner, a German physicist.] Parallel lines that are made to appear convergent or divergent by means of oblique intersections.
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Zollverein (?), 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.
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☞ 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.
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Zomboruk (?), n. (Mil.) See .
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Zona (?), n.; pl. Zonæ (#). [L., a girdle. See .] A zone or band; a layer.
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Coloq. Zona pellucida . [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 , and Illust. of . (b) The zona radiata. -- Coloq. 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.
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Zonal (?), a. [L. zonalis.] Of or pertaining to a zone; having the form of a zone or zones.
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Coloq. 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. -- Coloq. 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. -- Coloq. Zonal symmetry . (Biol.) See the Note under .
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Zonar (?), n. [Mod. Gr. � a girdle, fr. Gr. �, dim. of � a girdle. See .] A belt or girdle which the Christians and Jews of the Levant were obliged to wear to distinguish them from Mohammedans. [Written also zonnar.]
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Zonaria (?), n. pl. [NL.] (Zoöl.) A division of Mammalia in which the placenta is zonelike.
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Zonate (?), a. (Bot.) Divided by parallel planes; as, zonate tetraspores, found in certain red algæ.
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Zone (zōn), n. [F. zone, L. zona, Gr. zwnh; akin to zwnnynai to gird, Lith. jůsta a girdle, jůsti to gird, Zend yāh.] 1. A girdle; a cincture. [Poetic]
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An embroidered zone surrounds her waist. Dryden.
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Loose were her tresses seen, her zone unbound. Collins.
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2. (Geog.) One of the five great divisions of the earth, with respect to latitude and temperature.
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☞ The zones are five: the torrid zone, extending from tropic to tropic 46° 56′, or 23° 28′ 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.
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Commerce . . . defies every wind, outrides every tempest, and invades. Bancroft.
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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.)
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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.
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5. (Crystallog.) A series of planes having mutually parallel intersections.
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6. Circuit; circumference. [R.] Milton.
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7. (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.
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8. (Cryst.) A series of faces whose intersection lines with each other are parallel.
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9. (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.
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10. any area to or within which a shipment or transportation cost is constant; specifically, 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.
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Coloq. Abyssal zone . (Phys. Geog.) See under . -- Coloq. Zone axis (Crystallog.), a straight line passing through the center of a crystal, to which all the planes of a given zone are parallel.
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Zone, v. t. To girdle; to encircle. [R.] Keats.
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Zoned (?), a. 1. Wearing a zone, or girdle. Pope.
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2. Having zones, or concentric bands; striped.
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3. (Bot.) Zonate.
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Zoneless (?), a. Not having a zone; ungirded.
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The reeling goddess with the zoneless waist. Cowper.
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In careless folds, loose fell her zoneless vest. Mason.
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Zonnar (?), n. See .
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Zonular (?), a. Of or pertaining to a zone; zone-shaped. “The zonular type of a placenta.” Dana.
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Zonule (?), n. A little zone, or girdle.
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Zonulet (?), n. A zonule. Herrick.
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Zonure (?), n. [Zone + Gr. � tail.] (Zoöl.) Any one of several of South African lizards of the genus Zonura, common in rocky situations.
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Zoö- (?). A combining form from Gr. zwo^,n an animal, as in zoögenic, zoölogy, etc.
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Zoöchemical (?), a. Pertaining to zoöchemistry.
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Zoöchemistry (?), n. [Zoö- + chemistry.] Animal chemistry; particularly, the description of the chemical compounds entering into the composition of the animal body, in distinction from biochemistry.
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Zoöchemy (?), n. [Zoö- + Gr. � alchemy.] Animal chemistry; zoöchemistry. Dunglison.
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Zoöchlorella (?), 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.
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Zoöcyst (?), 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.
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Zoöcytium (?), 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.
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Zoödendrium (?), 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.
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Zoœcium (?), 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 .
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Zoöerythrine (?), n. [Zoö- + Gr. � red.] (Zoöl.) A peculiar organic red coloring matter found in the feathers of various birds.
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Zoögamous (?), a. [Zoö- + Gr. � marriage.] (Biol.) Of or pertaining zoögamy.
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Zoögamy (?), n. (Biol.) The sexual reproduction of animals.
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Zoögenic (?), a. [Zoö- + -gen + -ic: cf. Gr. � born of an animal.] (Biol.) Of or pertaining to zoögeny, animal production.
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{ Zoögeny (?), Zoögony (?), } n. [Zoö- + root of Gr. � to be born, � offspring.] The doctrine of the formation of living beings.
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Zoögeographical (?), a. Of or pertaining to zoögraphy.
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Zoögeography (?), n. [Zoö- + geography.] The study or description of the geographical distribution of animals.
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Zoöglœa (?), 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.
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Zoögrapher (?), n. One who describes animals, their forms and habits.
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{ Zoögraphic (?), Zoögraphical (?), } a. [Cf. F. zoographique.] Of or pertaining to the description of animals.
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Zoögraphist (?), n. A zoögrapher.
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Zoögraphy (?), n. [Zoö- + -graphy: cf. F. zoographie.] A description of animals, their forms and habits.
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Zooid (?), a. [Zoö- + -oid.] (Biol.) Pertaining to, or resembling, an animal.
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Zooid, n. 1. (Biol.) An organic body or cell having locomotion, as a spermatic cell or spermatozooid.
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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.
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Zooidal (?), a. Of or pertaining to a zooid; as, a zooidal form.
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Zoölatry (?), n. [Zoö- + Gr. � worship.] The worship of animals.
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Zoöloger (?), n. A zoölogist. Boyle.
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Zoölogical (?), a. [Cf. F. zoologique.] Of or pertaining to zoölogy, or the science of animals.
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Zoölogically, adv. In a zoölogical manner; according to the principles of zoölogy.
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Zoölogist (?), n. [Cf. F. zoologiste.] One who is well versed in zoölogy.
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Zoölogize (?), v. i. To study zoölogy; esp., to collect animals for study.
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Zoölogy (?), n.; pl. Zoölogies (#). [Zoö- + -logy: cf. F. zoologie. See .]
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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.
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2. A treatise on this science.
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Zoömelanin (?), n. [Zoö- + melanin.] (Physiol. Chem.) A pigment giving the black color to the feathers of many birds.
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Zoömorphic (?), a. [Zoö- + Gr. � form.] Of or pertaining to zoömorphism.
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Zoömorphism (?), n. 1. The transformation of men into beasts. [R.] Smart.
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2. The quality of representing or using animal forms; as, zoömorphism in ornament.
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3. The representation of God, or of gods, in the form, or with the attributes, of the lower animals.
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To avoid the error of anthropomorphism, we fall into the vastly greater, and more absurd, error of zoömorphism. Mivart.
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Zoön (?), 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.
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Zoönic (?), a. [Gr. zw^,on an animal: cf. F. zoonique.] Of or pertaining to animals; obtained from animal substances.
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Zoönite (?), 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.
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Zoönomy (?), 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.
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Zoönule (?), n. [Dim. fr. Gr. zw^,on an animal.] (Zoöl.) Same as .
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Zoöpathology (?), n. [Zoö- + pathology.] Animal pathology.
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