English Explanatory Dictionary

flywheel

English dictionary entry

Meanings

noun
  1. A rotating mass used to maintain the speed of a machine within certain limits while the machine receives or releases energy at a varying rate, or as a form of energy storage.

Pronunciation

LL-Q1860 (eng)-Wodencafe-flywheel.wav

Word forms

flywheel flywheels

Etymology

Etymology tree Proto-Indo-European *plew- Proto-Indo-European *plewk- Proto-Indo-European *-eti Proto-Indo-European *pléwketi Proto-Germanic *fleuganą Proto-West Germanic *fleugan Old English flēogan Middle English fliender. English fly Proto-Indo-European *kʷel- Proto-Indo-European *kʷekʷléh₂ Proto-Germanic *hweulō Old English hwēol Middle English whel English wheel English flywheel From fly + wheel.

Related words

angular momentum

Derived words

fluid flywheel
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