Look upactivator in Wiktionary, the free dictionary.

Activator may refer to:

• Activator (genetics), a DNA-binding protein that regulates one or more genes by increasing the rate of transcription
• Activator (phosphor), a type of dopant used in phosphors and scintillators
• Enzyme activator, a type of effector that increases the rate of enzyme mediated reactions
• Sega Activator, a motion-sensing controller for the Sega Mega Drive/Genesis
• Activator technique, a method of spinal adjustment
• Activator appliance, an orthodontic functional appliance

• Activate (disambiguation)
• Activation

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