activator
1. [ noun ] (biology) any agency bringing about activation; (biology) a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription
Related terms: inhibitor substance catalyst sensitizer activating_agent biology
Similar spelling:   activate
  activated
  activation
  activating
  activist
  Activase
  active_trust
  active_agent
  active
  activistic
  acid_value
  activewear