/ Dictionary / Index B bromide: Meaning and Definition of Find definitions for: bro•mide Pronunciation: (brō'mīd or, for 1, brō'mid), [key] — n. a salt of hydrobromic acid consisting of two elements, one of which is bromine, as sodium bromide, NaBr. a compound containing bromine, as methyl bromide. potassium bromide, known to produce central nervous system depression, formerly used as a sedative. a platitude or trite saying. a person who is platitudinous and boring. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bromide (Thesaurus) bromic acid bromide paper Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language