/ Dictionary / Index C culture medium: Meaning and Definition of Find definitions for: cul'ture me"dium Pronunciation: [key] — Bacteriol. Bacteriol. medium (def. 9). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. culture lag culture pattern Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language