Definition of modulate verb from the Oxford Advanced American Dictionary



    Verb Forms present simple I / you / we / they modulate
    he / she / it modulates
    past simple modulated
    -ing form modulating
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  1. 1[transitive] modulate something (formal) to change the quality of your voice in order to create a particular effect by making it louder, softer, lower, etc.
  2. 2[intransitive] modulate (from something) (to/into something) (music) to change from one musical key (= set of notes) to another
  3. 3[transitive] modulate something (technology) to affect something so that it becomes more regular, slower, etc. drugs that effectively modulate the disease process
  4. 4 [transitive] modulate something (technology) to change the rate at which a sound wave or radio signal vibrates (= the frequency ) so that it is clearer
noun [uncountable, countable]
See the Oxford Advanced Learner's Dictionary entry: modulate