Definition of activator

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  • activator is a valid Scrabble US word with a point value of 14
  • activator is a valid Scrabble UK word with a point value of 14
  • activator is a valid Words with friends word with a point value of 16

Definition of activator

  • (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription (noun)

See definition of activator in Merriam Webster