Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Latin
Origin: , past participle of modulari 'to play, sing', from modulus; MODULE

modulate

verb
     
mod‧u‧late
1 [transitive] formalC to change the sound of your voice
2 [transitive] to change a process or activity to make it more controlled, slower, less strong etc:
These drugs modulate the disease process.
3 [intransitive + from/to] technicalAPM to move from one key to another in a piece of music using a series of related chords
4 [transitive] technicalTCB to change the form of a radio signal so that it can be broadcast more effectively
modulation noun [uncountable and countable]

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