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modulate

[moj-uh-leyt] /ˈmɒdʒ əˌleɪt/
verb (used with object), modulated, modulating.
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), modulated, modulating.
5.
Telecommunications.
  1. to modulate a carrier wave.
  2. Citizens Band Radio Slang. to talk; visit:
    Enjoyed modulating with you.
6.
Music. to pass from one key to another:
to modulate abruptly from A to B flat.
Origin
1550-1560
1550-60; < Latin modulātus (past participle of modulārī to regulate (sounds), set to music, play an instrument). See module, -ate1
Related forms
modulability
[moj-uh-luh-bil-i-tee] /ˌmɒdʒ ə ləˈbɪl ɪ ti/ (Show IPA),
noun
modulative, modulatory
[moj-uh-luh-tawr-ee, -tohr-ee] /ˈmɒdʒ ə ləˌtɔr i, -ˌtoʊr i/ (Show IPA),
adjective
remodulate, verb (used with object), remodulated, remodulating.
unmodulated, adjective
unmodulative, adjective
well-modulated, adjective
Synonyms
2. temper, control.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for modulating
  • The energy is freed from a simple dance band function and allowed to wander into modulating keys and new meters.
  • Gut bacteria play crucial roles in digesting food and modulating the immune system.
  • As she flies she calls to him by modulating the whine of her fluttering wings.
  • Any given bacterium may posses a dozen or so different toxins and human metabolism-modulating enzymes which is deploys.
  • At home, seeing the effect that modulating one variable has on the outcome is about the best that can be done.
British Dictionary definitions for modulating

modulate

/ˈmɒdjʊˌleɪt/
verb
1.
(transitive) to change the tone, pitch, or volume of
2.
(transitive) 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.
(transitive) (physics, electronics) to cause to vary by a process of modulation
Derived Forms
modulability (ˌmɒdjʊləˈbɪlɪtɪ) noun
modulative, modulatory, adjective
modulator, noun
Word Origin
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
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Word Origin and History for modulating

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
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modulating in Science
modulate
  (mŏj'ə-lāt')   
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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