Defn: Of, pertaining to, or designating, a complex tribasic organic acid, C3H5.(CO2H)3 occurring naturally in unripe beet roots, and produced artificially from glycerin as a white crystalline substance.

TRICARBIMIDE
Tri*car"bi*mide, n. Etym: [Pref. tri- + carbimide.] (Chem.)

Defn: See under Cyanuric.

TRICE Trice, v. t. Etym: [OE. trisen; of Scand. or Low German origin; cf. Sw. trissa a sheave, pulley, triss a spritsail brace, Dan. tridse a pulley, tridse to haul by means of a pulley, to trice, LG. trisse a pulley, D. trijsen to hoist.] [Written also trise.]

1. To pull; to haul; to drag; to pull away. [Obs.] Out of his seat I will him trice. Chaucer.

2. (Naut.)

Defn: To haul and tie up by means of a rope.

TRICE Trice, n. Etym: [Sp. tris the noise made by the breaking of glass, an instant, en un tris in an instant; probably of imitative origin.]

Defn: A very short time; an instant; a moment; — now used only in
the phrase in a trice. "With a trice." Turbervile. " On a trice."
Shak.
A man shall make his fortune in a trice. Young.

TRICENNARIOUS
Tri`cen*na"ri*ous, a.