modulator

modulate +‎ -or

modulator (plural modulators)

1. A person who modulates.
2. A device or thing that modulates.
   • 1654, Richard Whitlock, Zootomia; Or, Observations on the Present Manners of the English:

     [Poetry] is a most musicall Modulator of all Intelligibles by her inventive Variations, undulling their Grossenesse, and subliming it into more refined Acceptablenesse to our own, or others understandings.

3. (music) A chart in the tonic sol-fa notation on which the modulations or changes from one scale to another are shown by the relative position of the notes.

modulātor

1. second/third-person singular future active imperative of modulor

• “modulator”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “modulator”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• modulator in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• modulator in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.

Borrowed from French modulateur. By surface analysis, modula +‎ -tor.

modulator n (plural modulatori)

1. modulator