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flywheel

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

noun

Machinery.
  1. 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.


flywheel British  
/ ˈflaɪˌwiːl /

noun

  1. 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

Etymology

Origin of flywheel

First recorded in 1775–85; fly 2 + wheel

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He believes SoFi has a profitable “primary relationship flywheel,” whereby it has succeeded in drawing existing members to new products, a strategy that gives the company greater potential to scale its business.

From MarketWatch

D’Amaro has said he wants to use technology to accelerate the flywheel that moves Disney content between different media platforms and to theme parks and store shelves.

From The Wall Street Journal

Djokovic might be the greatest defender ever to pick up a tennis racket, but losing even half a step made all the difference against a human flywheel like Alcaraz.

From The Wall Street Journal

Still, the analyst believes the brand’s momentum and marketing flywheel could outweigh the headwinds.

From Barron's

“Owned-brand products also deliver higher penny profit for us, which we can use to invest back into the member experience, further propelling the flywheel that drives our business,” Chief Executive Bob Eddy said.

From The Wall Street Journal