activating Meaning, Definition & Usage

1. noun the activity of causing to have energy and be active
   energizing; activation.
   
2. verb put in motion or move to act
   activate; touch off; trigger off; actuate; set off; trigger; spark off; spark; trip.
   
   • trigger a reaction
   • actuate the circuits
3. verb make active or more active
   activate.
   
   • activate an old file
4. verb make more adsorptive
   activate.
   
   • activate a metal
5. verb aerate (sewage) so as to favor the growth of organisms that decompose organic matter
   activate; aerate.
   
6. verb make (substances) radioactive
   activate.
   
7. adjective satellite causing motion or action or change
   actuating.
   

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