Modular :: Modular (a.) Of or pertaining to mode, modulation, module, or modius; as, modular arrangement; modular accent; modular measure..
Modulate :: Modulate (v. t.) To form, as sound, to a certain key, or to a certain portion..
Modulate :: Modulate (v. t.) To vary or inflect in a natural, customary, or musical manner; as, the organs of speech modulate the voice in reading or speaking..
Modulate :: Modulate (v. i.) To pass from one key into another.
Modulation :: Modulation (n.) A change of key, whether transient, or until the music becomes established in the new key; a shifting of the tonality of a piece, so that the harmonies all center upon a new keynote or tonic; the art of transition out of the original key into one nearly related, and so on, it may be, by successive changes, into a key quite remote. There are also sudden and unprepared modulations..
Modulator :: Modulator (n.) One who, or that which, modulates..