corepressor: Meaning and Definition of

co•re•pres•sor

Pronunciation: (kō"ri-pres'ur), [key]
— n. Genetics.
  1. 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.