amplidyne

noun

am·​pli·​dyne

ˈampləˌdīn

plural -s

: a direct-current generator that by the use of compensating coils and a short circuit across two of its brushes precisely controls a large power output whenever a small power input is varied in the field winding of the generator

Word History

Etymology

amplifier + -dyne (from Greek dynamis power)

First Known Use

1940, in the meaning defined above

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