TRIATOMIC


Meaning of TRIATOMIC in English

adj having three atoms;

— said of certain elements or radicals.

2. triatomic ·adj 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.

Webster English vocab.      Английский словарь Webster.