/ Dictionary / Index T tribromide: Meaning and Definition of Find definitions for: tri•bro•mide Pronunciation: (trī-brō'mīd), [key] — n. Chem. a bromide containing three atoms of bromine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tribrach tribromoacetaldehyde Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language