Bible Dictionaries
Triatomic

Webster's Dictionary

(1):

(a.) Having three atoms; - said of certain elements or radicals.

(2):

(a.) 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.

Bibliography Information
Webster, Noah. Entry for 'Triatomic'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/triatomic.html. 1828.