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fluxion

American  
[fluhk-shuhn] / ˈflʌk ʃən /

noun

  1. an act of flowing; a flow or flux.

  2. Mathematics. the derivative relative to the time.

fluxion British  
/ ˈflʌkʃən /

noun

  1. obsolete maths the rate of change of a function, especially the instantaneous velocity of a moving body; derivative

  2. a less common word for flux flux

"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

Other Word Forms

  • fluxional adjective
  • fluxionally adverb
  • fluxionary adjective

Etymology

Origin of fluxion

1535–45; < Middle French < Late Latin fluxiōn- (stem of fluxiō ) a flowing. See flux, -ion

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.