zirconium oxide

Chem.: ZrO2. Zirconia. A white, tastele , in odorous powder, obtained by heating zirconium to redne in contact with the air. It is insoluble in ordinary acids, soluble with difficulty in hydrofluoric acid, but di olves readily when heated with concentrated sulphuric acid. India and Burmah, are eaten both by Europe ans and natives. They are called Jujubes, and are of a mucilaginous, mawkish taste. Z. vulgar is , wild in the Punjaub, and cultivated in Bengal, also furnishes some of the jujubes of commerce. The fruits of Z. nummular i a , Z. rugosa , and Z. anoplia are also eaten in India, but are inferior to the genuine jujubes. The fruit of Z. joazeira is eaten like jujubes in Brazil. Z. lotus is by some believed to be the Lote-tree (q. v.) or Lote-bush, the fruit of which produced such effect on the cla ical Lotophagi (q.v.). It grows in Barbary, where it is called sadr , and its berries, which collected for food, nabk . The iegroes of the Gambia prepare a wine from the fermented berries of Z. orthacanthus. The fruit of Z. nummular i a , which grows in India, is considered to be cool and astringent, and it is given in bilious disorders. The bark of Z. jujuba is said to be a remedy for diarrhea; the root in decoction is given in fever, and, powdered, is applied to sores. In the Himalaya districts the bark is used as a tan and dye-stuff. The bark of Z. xylopyra , a large scrambling shrub found in the hilly parts of India, is also used for tanning and for dyeing black. The all. It is inclined to the equinoctial at an angle of about 23 28, the points of intersection being reached by the sun, one at the vernal and the other at the autumnal equinox. The great circle of the zodiac was divided by the ancients into twelve equal portions called signs. They were named from the constellations then adjacent to them in the following order: Aries, the Ram; Taurus, the Bull: Gemini, the Twins; Cancer, the Crab; Leo, the Lion; Virgo, the Virgin; Libra, the Balance; Scorpio, the Scorpion; Sag it tar i us, the Archer; as follows: A. Lime-zoisite, (1) ordinary, colors Capric or nus, the Goat; Aquarius, the Water bearer; gray to white and brown, (2) rose-red or thulite; and Pisces, the Fishes. The sun formerly entered Aries on March 20; now, owing to the prece ion of the equinoxes, the point of the heavens intersected by the celestial equator and the ecliptic, techni- into Pisces. *1. Ord. Lang .: A girdle, a belt, a zone. "By his side, As in a glistening zodiac , hung his sword." Milton: P. L. , xi. 247. zō-di-a-cal, a. [Eng. zodiac; -al.] Of or per- taining to the zodiac. "A philosophical explanation of the zodiacal system." -Warton: Hist. Eng . Poetry , vol. iii. Astron.: A pearly glow spreading over a portion about to rise in the morning, or has just set in the of the sky near the point at which the sun is just evening. It extends from the horizon to a consid- erable distance toward the zenith, and is best seen in the tropics in spring evenings, about the time of the vernal equinox. In the latitude of London it is seen chiefly in the western part of the sky in early of autumn before daybreak in the eastern horizon. The generally accepted theory of the zodiacal light is that it consists of a continuous disc, whether meteors or any other substance, in which the sun is hoop is represented in perhaps a dozen different positions. The turning of the drum brings into view, in rapid succe ion, these varying positions until they blend into a perfect image full of motion, and operating to simulate natural action. A man sawing wood, an animal kicking, an acrobat playing with clubs, may be thus shown in apparent motion. zō-har, s . [ Heb.tsochhar =whitene , splendor.] Hebrew Literature : A cabalistic commentary on the Old Testament. zō-i-le-an, a. [See def.] Pertaining or relat- ing to Zoilus, a severe critic and grammarian of A mph i polis, who severely criticized Homer, Plato, and So crates; hence, applied to bitter, severe, or malignant criticism or critics. zōne, s . [Fr., from Lat. zona (q. v.).] I. Ordinary Language : *1. A girdle, a belt. ( Milton : P. L., v. 280.) 2. Any well-marked band or stripe running round an object. IMG:content-1131.png:[blocks in formation] stages or divisions of certain geological formations. [AMMONITE, PRIMORDIAL-ZONE.] 5. Math.: The portion of the surface of a sphere included between two parallel planes. (1) Annual zone: [ANNUAL, 11. 3. ( b ).] (2) Ciliary zone: [CILIARY ZONE.] (3) Isothermal zone : [ISOTHERMAL.] *zōne, v . t. [ZONE, s.] To encircle with or as with a zone (q. v.). "His embrace Had zoned her through the night." Keats: Endymion, ii. 569. zõned, a. [Eng. zon(e); -ed.] *1. Having a girdle or belt; wearing a girdle or belt. 2. Having zones or bands resembling zones, striped; in botany the same as ZONATE (q. v.). "She brought us Academic silks, in hue The lilac, with a silken hood to each And zoned with gold." Tennyson: Prince , ii. 4. zō-nu-lět, subst. [A double dim in. from zone= zone-ule-let.] A little zone or belt; a zonule. "So smiles that riband 'bout my Julia's waist; Or like-nay, 'tis that zonulet of love." Herrick: Upon Julia's Ribbon.