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Definition of "modulate" []

  • To adjust or adapt to a certain proportion; regulate or temper. (verb-transitive)
  • To change or vary the pitch, intensity, or tone of (one's voice or a musical instrument, for example). (verb-transitive)
  • Electronics To vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves). (verb-transitive)
  • Electronics To vary (electron velocity) in an electron beam. (verb-transitive)
  • Music To move from one key or tonality to another by means of a melody or chord progression. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "modulate" in a sentence
  • "He often possessed a voice that was a marvelous instrument, a voice he could modulate from a sepulchral whisper to a crashing thunder clap."
  • "The idea is to kind of modulate the depth -- to have more gentle moments, then have kind of deeper moments."
  • "Without the ability to add additional pressure above this very low maximum, the ability to "modulate" pressure, except towards even less pressure (and lower oxygen dose), does not even exist."