/ Dictionary / Index B bromo-: Meaning and Definition of Find definitions for: bromo- Pronunciation: [key] a combining form used in the names of chemical compounds in which bromine is present: bromobenzene. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bromley bromoacetone Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language