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From Middle English amplifyen, from Old French amplifier, from Latin amplificare ‎(to enlarge), from amplus ‎(large) + facere ‎(to make). See ample.



amplify ‎(third-person singular simple present amplifies, present participle amplifying, simple past and past participle amplified)

  1. (transitive) To render larger, more extended, or more intense, and the like;—used especially of loudspeakers, telescopes, microscopes, etc.
  2. (transitive, rhetorical) To enlarge by addition or discussion; to treat copiously by adding particulars, illustrations, etc.; to expand; to make much of.
    • Dryden
      Troilus and Cressida was written by a Lombard author, but much amplified by our English translator.
  3. (transitive) To increase the amplitude of something, especially of an electric current.

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