activation
  • The initiation of a sequence or process. For example, the entering of a computer command to initiate a sequence.
  • The process of making operational. For example, the adding of liquid to a battery or cell to make it operational.
  • The treatment of a substance or material to make it more effective for a designated purpose. For example, the treatment of a cathode to improve its thermionic emission.
  • The inducing into an action. For example, inducing radioactivity in a non-radioactive element by bombarding it with neutrons.
  • The acceleration of an action. For example, the use of a catalyst to bond a resin more quickly.

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