/ Dictionary / Index B bactericide: Meaning and Definition of Find definitions for: bac•te•ri•cide Pronunciation: (bak-tēr'u-sīd"), [key] — n. Pharm. any substance capable of killing bacteria. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bactericide (Thesaurus) bacterial endocarditis bacterin Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language