Defn: 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.

TERPILENE
Ter"pi*lene, n. (Chem.)

Defn: A polymeric form of terpene, resembling terbene.

TERPIN
Ter"pin, n. (Chem.)

Defn: A white crystalline substance regarded as a hydrate of oil of turpentine.

TERPINOL
Ter"pin*ol, n. Etym: [Terpin + L. oleum oil.] (Chem.)

Defn: Any oil substance having a hyacinthine odor, obtained by the action of acids on terpin, and regarded as a related hydrate.

TERPSICHORE
Terp*sich"o*re, n. Etym: [L., fr. Gr. (Gr. Myth.)

Defn: The Muse who presided over the choral song and the dance, especially the latter.

TERPSICHOREAN
Terp`sich*o*re"an, a.