/ Dictionary / Index B benzo-: Meaning and Definition of Find definitions for: benzo- Pronunciation: [key] a combining form used in the names of chemical compounds in which benzene, benzoic acid, or one or more of the phenyl groups is present: benzocaine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. benzine benzoate Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language