Triatomic
Pronunciation : Tri`a*tom"ic
Part of Speech : a.
Etymology : [Pref. tri- + atomic.] (Chem.) (a) Having three atoms; -- said of certain elements or radicals. (b) Having a valence of three; trivalent; sometimes, in a specific sense, having three hydroxyl groups, whether acid or basic; thus, glycerin, glyceric acid, a
Source : Webster's Unabridged Dictionary, 1913
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