TROPIDINE
Trop"i*dine, n. Etym: [See Tropine.] (Chem.)

Defn: An alkaloid, C8H13N, obtained by the chemical dehydration of tropine, as an oily liquid having a coninelike odor.

TROPILIDENE
Tro*pil"i*dene, n. Etym: [See Tropine.] (Chem.)

Defn: A liquid hydrocarbon obtained by the dry distillation of tropine with quicklime. It is regarded as being homologous with dipropargyl.

TROPINE
Tro"pine, n. Etym: [From Atropine.] (Chem.)

Defn: A white crystalline alkaloid, C8H15NO, produced by decomposing atropine.

TROPISM
Tro"pism, n. [Gr. a turning, to turn + -ism.] (Physiol.)

Defn: Modification of the direction of growth.

TROPIST
Trop"ist, n. Etym: [Cf. F. tropiste. See Trope.]

Defn: One who deals in tropes; specifically, one who avoids the literal sense of the language of Scripture by explaining it as mere tropes and figures of speech.