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