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Activator

noun

Definitions

Noun
  1. 1
    One who, or that which, activates.
  2. 2
    (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 wordnet
  3. 3
    Something that activates a catalyst physical
  4. 4
    Any chemical or agent which regulates one or more genes by increasing the rate of transcription.
  5. 5
    A type of effector that increases the rate of enzyme-mediated reactions.
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  1. 6
    A type of dopant used in phosphors and scintillators.
  2. 7
    An agent that enables the flotation of a mineral or minerals.
  3. 8
    A hand-held device that delivers a controlled fast thrust to a joint, muscle, etc., to help stimulate nervous system activity.

Etymology

From activate + -or.

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