modulate

[ moj-uh-leyt ]
/ ˈmɒdʒ əˌleɪt /

verb (used with object), mod·u·lat·ed, mod·u·lat·ing.

to regulate by or adjust to a certain measure or proportion; soften; tone down.
to alter or adapt (the voice) according to the circumstances, one's listener, etc.
Music.
  1. to attune to a certain pitch or key.
  2. to vary the volume of (tone).
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.

Telecommunications.
  1. to modulate a carrier wave.
  2. Citizens Band Radio Slang. to talk; visit: Enjoyed modulating with you.
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

OTHER WORDS FROM modulate

Example sentences from the Web for modulate

British Dictionary definitions for modulate

modulate
/ (ˈmɒdjʊˌleɪt) /

verb

(tr) to change the tone, pitch, or volume of
(tr) to adjust or regulate the degree of
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)
(tr) physics electronics to cause to vary by a process of modulation

Derived forms of modulate

modulability (ˌmɒdjʊləˈbɪlɪtɪ), noun modulative or modulatory, adjective modulator, noun

Word Origin for modulate

C16: from Latin modulātus in due measure, melodious, from modulārī to regulate, from modus measure

Scientific definitions for modulate

modulate
[ mŏjə-lāt′ ]

To vary the amplitude, frequency, or some other characteristic of a signal or power source. See also amplitude modulation frequency modulation.