Definitions

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

  • n. 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

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

Etymologies

Originally a trademark.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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

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