/ Dictionary / Index C corepressor: Meaning and Definition of Find definitions for: co•re•pres•sor Pronunciation: (kō"ri-pres'ur), [key] — n. Genetics. a molecule that is capable of combining with a specific repressor molecule and activating it, thereby blocking gene transcription. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. coreopsis corequisite Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language