Definitions of activate:
  • verb:   make active or more active
    Example: "Activate an old file"
  • verb:   make (substances) radioactive
  • verb:   aerate (sewage) so as to favor the growth of organisms that decompose organic matter
  • verb:   make more adsorptive
    Example: "Activate a metal"
  • verb:   put in motion or move to act

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See activate used in context: 2 rhymes, several books and articles.

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