activator

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English[edit]

Alternative forms[edit]

Etymology[edit]

activate +‎ -or

Noun[edit]

activator (plural activators)

  1. One who, or that which, activates.
  2. (biology) Any chemical or agent which regulates one or more genes by increasing the rate of transcription.
  3. (biology) A type of effector that increases the rate of enzyme-mediated reactions.
  4. A type of dopant used in phosphors and scintillators.
  5. (mining) An agent that enables the flotation of a mineral or minerals.