Terpene, ter′pēn, n. one of several isomeric oily hydrocarbons. [Terebene.]

Terpsichore, tėrp-sik′ō-rē, n. one of the nine muses, who presided over choral song and dancing.—adj. Terpsichorē′an, relating to Terpsichore, or to dancing. [Gr. terpsichorē, delighting in dancing—terpsis, delight—terpein, to enjoy, choros, dancing.]

Terra, ter′a, n. earth.—ns. Terr′a-cot′ta, a composition of clay and sand used for statues, hardened like bricks by fire; Terr′aculture, agriculture; Terr′æ-fil′ius, a person of humble origin: formerly the title of a scholar at Oxford who composed annually a satirical lampoon in which considerable license was allowed; Terr′a-fir′ma, a term frequently employed to denote continental land as distinguished from islands: (coll.) land as distinguished from water; Terr′a-japon′ica, pale catechu or gambier; Terr′a-mara (-mä′ra), an earthy deposit containing fertilising organic or mineral matter, any deposit containing prehistoric remains.—adjs. Terrā′nēan, being in the earth; Terrā′nēous, growing on land.—ns. Terrā′rium, a vivarium for land animals; Terr′a-ros′sa, a name given to a ferruginous red earth extensively developed in the limestone districts of south-eastern Europe, esp. in Istria and Dalmatia. [L. terra, earth; L. cocta, pa.p. of coquĕre, to cook; L. firmus, firm; It. amara, bitter; rosso, red.]

Terrace, ter′ās, n. a raised level bank of earth: any raised flat place: the flat roof of a house:—pl. (geol.) comparatively level strips of land near the sea, lakes, or rivers, with a sharp descent at the edge towards the water, showing an ancient water-level.—v.t. to form into a terrace. [Fr. terrasse—It. terrazza—L. terra, the earth.]

Terrain, ter′ān, n. (geol.) any series of rocks continuously related: any tract considered in relation to its fitness for some purpose. [Fr.,—L. terrenum.]

Terrapin, ter′a-pin, n. the popular name of many species of fresh-water and tidal tortoises of the family Emydidæ, natives of tropical and the warmer temperate countries. [Supposed to be Amer. Ind. in origin.]

Terraqueous, ter-ā′kwē-us, adj. consisting of land and water.—Also Terrā′quēan. [Coined from L. terra, earth, aqua, water.]

Terreen, ter-ēn′, n. less common form of tureen.

Terremotive, ter-e-mō′tiv, adj. seismic.

Terrene, te-rēn′, adj. pertaining to the earth: earthy: earthly.—adv. Terrene′ly.—n. Terren′ity. [L. terrenusterra, the earth.]