modulate(verb) vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)
(verb) adjust the pitch, tone, or volume of
(verb) fix or adjust the time, amount, degree, or rate of; "regulate the temperature"; "modulate the pitch"
(verb) of one's speech, varying the pitch
(verb) change the key of, in music; "modulate the melody"
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WordNet 2.0 Copyright 2003 by Princeton University. All rights reserved.
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