/ Dictionary / Index C colicinogen: Meaning and Definition of Find definitions for: col•i•cin•o•gen Pronunciation: (kol"u-sin'u-jun, -jen"), [key] — n. any bacterium that produces a colicin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. colicin colicroot Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language