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triatomic |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Triatomic \Tri`a*tom"ic\, a. [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, and tartronic acid are each triatomic.
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