modulate

/mˈɔdʒjuleɪt/ · 3 syllables

Meaning

verb

1. change the key of, in music
   “modulate the melody”
2. vary the pitch of one's speech
3. fix or adjust the time, amount, degree, or rate of
   “regulate the temperature”
4. adjust the pitch, tone, or volume of
5. vary the frequency, amplitude, phase, or other characteristic of (electromagnetic waves)

Synonyms for modulate

• tone
• inflect
• regulate