modulate Definition in Cambridge British English Dictionary
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Definition of "modulate" - British English Dictionary

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modulateverb [T]

uk   /ˈmɒd.jʊ.leɪt/  us   /ˈmɑː.dʒə-/

modulate verb [T] (SOUND)

[I or T] to change the style, loudness, etc. of something such as your voice in order to achieve an effect or express an emotion: His gentle introductory tone modulates into a coach's pre-game pep talk. [I] specialized to change from one musical key to another: Here we modulate from G major to A minor.

modulate verb [T] (PLAN/PROCESS)

[T] formal to change something, such as an action or a process, to make it more suitable for its situation: An elected committee will meet monthly to modulate the council's energy policy.

modulate verb [T] (BROADCASTING)

[T] specialized media to mix an electrical signal that represents sounds or pictures with a radio signal so that it can be broadcast
modulation
noun [C or U] uk   /ˌmɒd.jʊˈleɪ.ʃən/  us   /ˌmɑː.dʒə-/
(Definition of modulate from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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