<chemistry> Having three atoms; said of certain elements or radicals.

Having a valence of three; trivalent; sometimes, in a specific sense, having three hydroxyl groups, whether acid or basic; thus, glycerin, glyceric acid, and tartronic acid are each triatomic.

Origin: Pref. Tri- + atomic.

(01 Mar 1998)

triarticulate, trias, triassic, triatoma < Prev | Next > triatominae, triaxial reference system, triazine

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