Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A rotating magnetic amplifier with specialized windings that allow small changes in power input to produce large changes in power output.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A form of electromechanical amplifier in which an AC motor drives a DC generator

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Originally a trademark.]

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Examples

  • But others "amplidyne," for example seem to get added to dictionaries even as their usage is plummeting.

    Ars Technica John Timmer 2010

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