1. [ verb ] adjust the pitch, tone, or volume of
Related terms: adjust inflection
2. [ verb ] fix or adjust the time, amount, degree, or rate of
Synonyms: regulate

"regulate the temperature" "modulate the pitch"

Related terms: adjust modulation
3. [ verb ] of one's speech, varying the pitch
Synonyms: tone inflect
Related terms: talk tone timbre prosody inflection
4. [ verb ] (music) change the key of, in music

"modulate the melody"

Related terms: play music
5. [ verb ] (physics) vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)
Related terms: change modulation
Similar spelling:   modulated