/ Dictionary / Index T tetracid: Meaning and Definition of Find definitions for: te•trac•id Pronunciation: (te-tras'id), [key] — n. Chem. a base or alcohol containing four hydroxyl groups. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tetrachord tetracoccus Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language