a person or thing that modulates.
Telecommunications. a device for modulating a carrier wave.

Origin of modulator

1490–1500; < Latin modulātor; see modulate, -tor Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for modulator

Historical Examples of modulator

  • The boys can all read from the Sol-fa modulator, and Mr. Breden gives them ear-tests.

    The Boy's Voice

    J. Spencer Curwen

  • So Lockley flipped the modulator switch and turned on the instrument.

    Operation Terror

    William Fitzgerald Jenkins

  • He never gives on the modulator an ascending passage which begins below this G.

    The Boy's Voice

    J. Spencer Curwen

  • In modulator practice, and as far as possible in pieces of music, he keeps the trebles above .

    The Boy's Voice

    J. Spencer Curwen

  • Now there are three different ways that the microphone and its modulator can be connected in circuit.

    The Radio Amateur's Hand Book

    A. Frederick Collins

Word Origin and History for modulator

c.1500, from Latin modulator, literally "one who modulates" in various senses (e.g. "musical director"), agent noun from past participle stem of modulari (see modulation). Meaning "device that produces modulation of a wave" is from 1919.

Online Etymology Dictionary, © 2010 Douglas Harper