modulate

[moj-uh-leyt]
verb (used with object), mod·u·lat·ed, mod·u·lat·ing.
  1. to regulate by or adjust to a certain measure or proportion; soften; tone down.
  2. to alter or adapt (the voice) according to the circumstances, one's listener, etc.
  3. Music.
    1. to attune to a certain pitch or key.
    2. to vary the volume of (tone).
  4. Telecommunications. to cause the amplitude, frequency, phase, or intensity of (a carrier wave) to vary in accordance with a sound wave or other signal, the frequency of the signal wave usually being very much lower than that of the carrier.
verb (used without object), mod·u·lat·ed, mod·u·lat·ing.
  1. Telecommunications.
    1. to modulate a carrier wave.
    2. Citizens Band Radio Slang.to talk; visit: Enjoyed modulating with you.
  2. Music. to pass from one key to another: to modulate abruptly from A to B flat.

Origin of modulate

1550–60; < Latin modulātus (past participle of modulārī to regulate (sounds), set to music, play an instrument). See module, -ate1
Related formsmod·u·la·bil·i·ty [moj-uh-luh-bil-i-tee] /ˌmɒdʒ ə ləˈbɪl ɪ ti/, nounmod·u·la·tive, mod·u·la·to·ry [moj-uh-luh-tawr-ee, -tohr-ee] /ˈmɒdʒ ə ləˌtɔr i, -ˌtoʊr i/, adjectivere·mod·u·late, verb (used with object), re·mod·u·lat·ed, re·mod·u·lat·ing.un·mod·u·lat·ed, adjectiveun·mod·u·la·tive, adjectivewell-mod·u·lat·ed, adjective

Synonyms for modulate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unmodulated

Historical Examples of unmodulated

  • But the signal was unmodulated, so there was no image nor any sound.

    The Machine That Saved The World

    William Fitzgerald Jenkins

  • "Sorry to keep you, my dear," said the high, unmodulated voice.

    Moth and Rust

    Mary Cholmondeley

  • His lips were thick, and the tone of his voice broad and unmodulated.

    Caleb Williams

    William Godwin

  • Her voice was even and unmodulated, not too friendly and not too cold.

  • Macaulay sat down by his mother, and began telling the incidents of the day's hunting in his smooth, unmodulated voice.

    Paul Patoff

    F. Marion Crawford


British Dictionary definitions for unmodulated

modulate

verb
  1. (tr) to change the tone, pitch, or volume of
  2. (tr) to adjust or regulate the degree of
  3. music
    1. to subject to or undergo modulation in music
    2. (often foll by to)to make or become in tune (with a pitch, key, etc)
  4. (tr) physics electronics to cause to vary by a process of modulation
Derived Formsmodulability (ˌmɒdjʊləˈbɪlɪtɪ), nounmodulative or modulatory, adjectivemodulator, noun

Word Origin for modulate

C16: from Latin modulātus in due measure, melodious, from modulārī to regulate, from modus measure
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unmodulated

modulate

v.

1610s, in music, back-formation from modulation, or else from Latin modulatus, past participle of modulari. General sense from 1620s. In telecommunications from 1908. Related: Modulated; modulating.

Online Etymology Dictionary, © 2010 Douglas Harper

unmodulated in Science

modulate

[mŏjə-lāt′]
  1. To vary the amplitude, frequency, or some other characteristic of a signal or power source. See also amplitude modulation frequency modulation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.