flywheel

[ flahy-hweel, -weel ]
/ ˈflaɪˌʰwil, -ˌwil /

noun Machinery.

a heavy disk or wheel rotating on a shaft so that its momentum gives almost uniform rotational speed to the shaft and to all connected machinery.

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Origin of flywheel

First recorded in 1775–85; fly1 + wheel

Words nearby flywheel

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for flywheel

British Dictionary definitions for flywheel

flywheel
/ (ˈflaɪˌwiːl) /

noun

a heavy wheel that stores kinetic energy and smooths the operation of a reciprocating engine by maintaining a constant speed of rotation over the whole cycle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012