Repressor

Pronunciation: /ˈɹipɹɛsˈɔɹ/

Repressor (noun)

  1. A protein that reduces or stops the activity of a gene by blocking how it is used.
  2. A substance or device that limits an effect by preventing a process from continuing.

Examples

  • The repressor blocks gene activity in the cell.
  • A repressor can stop a gene from being active.