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definitions

fluxion

[fluhk-shuh n]
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noun

an act of flowing; a flow or flux.
Mathematics. the derivative relative to the time.

Origin of fluxion

1535–45; < Middle French < Late Latin fluxiōn- (stem of fluxiō) a flowing. See flux, -ion
Related formsflux·ion·al, flux·ion·ar·y, adjectiveflux·ion·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fluxion

Historical Examples of fluxion

  • Mr. Fluxion remained on deck; for he attended to the navigation himself.

    Down the Rhine

    Oliver Optic

  • Mr. Fluxion "made no sign," and the acting officers were as reticent as ever.

    Down the Rhine

    Oliver Optic

  • In a word, Mr. Fluxion understood his crew, and knew what he was about.

    Down the Rhine

    Oliver Optic

  • Mr. Fluxion immediately went on board of the ship, and reported to the principal.

    Down the Rhine

    Oliver Optic

  • Mr. Fluxion called Captain Terrill, and the order was given to pipe all hands.

    Down the Rhine

    Oliver Optic

British Dictionary definitions for fluxion

fluxion

noun

maths obsolete the rate of change of a function, especially the instantaneous velocity of a moving body; derivative
a less common word for flux (def. 1), flux (def. 2)
Derived Formsfluxional or fluxionary, adjectivefluxionally, adverb

Word Origin for fluxion

C16: from Late Latin fluxiō a flowing
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