Terra alba[L., white earth] (Com.), a white amorphous earthy substance consisting of burnt gypsum, aluminium silicate or some similar ingredient, as magnesia. It is sometimes used to adulterate certain foods, spices, candies, paints, etc.Terra cotta. [It., fr. terra earth + cotta, fem. of cotto cooked, L. coctus, p. p. of coquere to cook. See Cook, n.] Baked clay; a kind of hard pottery used for statues, architectural decorations, figures, vases, and the like.Terræ filius[L., son of the earth], formerly, one appointed to write a satirical Latin poem at the public acts in the University of Oxford; — not unlike the prevaricator at Cambridge, England.Terra firma[L.], firm or solid earth, as opposed to water. Terra Japonica. [NL.] Same as Gambier. It was formerly supposed to be a kind of earth from Japan.Terra Lemnia[L., Lemnian earth], Lemnian earth. See under Lemnian.Terra ponderosa[L., ponderous earth] (Min.), barite, or heavy spar.Terra di Sienna. See Sienna.

(Ter"race) n. [F. terrasse (cf. Sp. terraza, It. terrazza), fr. L. terra the earth, probably for tersa, originally meaning, dry land, and akin to torrere to parch, E. torrid, and thirst. See Thirst, and cf. Fumitory, Inter, v., Patterre, Terrier, Trass, Tureen, Turmeric.]

1. A raised level space, shelf, or platform of earth, supported on one or more sides by a wall, a bank of tuft, or the like, whether designed for use or pleasure.

2. A balcony, especially a large and uncovered one.

3. A flat roof to a house; as, the buildings of the Oriental nations are covered with terraces.

4. A street, or a row of houses, on a bank or the side of a hill; hence, any street, or row of houses.

5. (Geol.) A level plain, usually with a steep front, bordering a river, a lake, or sometimes the sea.

Many rivers are bordered by a series of terraces at different levels, indicating the flood plains at successive periods in their history.

Terrace epoch. (Geol.) See Drift epoch, under Drift, a.

(Ter"pene) n. [See Turpentine.] (Chem.) Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.

(Ter*pen"tic) a. (Chem.) Terpenylic.

(Ter`pe*nyl"ic) a. [Terpene + - yl + -ic.] (Chem.) Of, pertaining to, or designating, an acid, C8H12O4 (called also terpentic acid), homologous with terebic acid, and obtained as a white crystalline substance by the oxidation of oil of turpentine with chromic acid.

(Ter"pi*lene) n. (Chem.) A polymeric form of terpene, resembling terbene.

(Ter"pin) n. (Chem.) A white crystalline substance regarded as a hydrate of oil of turpentine.

(Ter"pin*ol) n. [Terpin + L. oleum oil.] (Chem.) Any oil substance having a hyacinthine odor, obtained by the action of acids on terpin, and regarded as a related hydrate.

(Terp*sich"o*re) n. [L., fr. Gr. enjoyment (fr. to gladden) + dance, dancing.] (Gr. Myth.) The Muse who presided over the choral song and the dance, especially the latter.

(Terp`sich*o*re"an) a. Of or pertaining to Terpsichore; of or pertaining to dancing.

(||Ter"ra) n. [It. & L. See Terrace.] The earth; earth.

  By PanEris using Melati.

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