Modulate Definition

modulated, modulates, modulating
modulated, modulates, modulating
To regulate, adjust, or adapt to the proper degree.
Webster's New World
To vary the pitch, intensity, etc. of (the voice), often specif. to a lower degree.
Webster's New World
To vary the amplitude, frequency, or phase of (an oscillation, as a carrier wave) in accordance with some signal.
Webster's New World
To shift to another key within a musical composition.
Webster's New World
To vary (electron velocity) in an electron beam.
American Heritage

Origin of Modulate

  • From Latin modulatus, past participle of modulari (“to measure, regulate, modulate"), from modulus (“measure"); see modulus. Compare module. Surface etymology: module +"Ž -ate

    From Wiktionary

  • Latin modulārī, modulāt- to measure off, to regulate from modulus diminutive of modus measure med- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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