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fluxion

[fluhk-shuh n] /ˈflʌk ʃən/
noun
1.
an act of flowing; a flow or flux.
2.
Mathematics. the derivative relative to the time.
Origin of fluxion
1535-1545
1535-45; < Middle French < Late Latin fluxiōn- (stem of fluxiō) a flowing. See flux, -ion
Related forms
fluxional, fluxionary, adjective
fluxionally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for fluxion
Historical Examples
  • A boat from the ship was alongside, and Mr. fluxion had just stepped on board.

    Dikes and Ditches Oliver Optic
  • Mr. fluxion called Captain Terrill, and the order was given to pipe all hands.

    Down the Rhine Oliver Optic
  • "Keep her south-east," said Mr. fluxion to the quarter-master at the wheel, when the headland bore north-east from the vessel.

    Down the Rhine Oliver Optic
  • Mr. fluxion "made no sign," and the acting officers were as reticent as ever.

    Down the Rhine Oliver Optic
  • As before, Mr. fluxion had preceded them, and engaged accommodations at the hotels.

    Dikes and Ditches Oliver Optic
  • "I have nothing to say about it, Mr. Hamblin," added Mr. fluxion, sharply.

    Dikes and Ditches Oliver Optic
  • Mr. fluxion, the pilot, and the master of the galiot consulted together for some time.

    Dikes and Ditches Oliver Optic
  • Mr. fluxion asked the permission, which was readily granted.

    Dikes and Ditches Oliver Optic
  • "You come with a very nobby crew," said Mr. fluxion, as the principal stepped upon the deck of the consort.

    Down the Rhine Oliver Optic
  • "You must lower them in slings," added Haven, prompted by Mr. fluxion.

    Outward Bound Oliver Optic
British Dictionary definitions for fluxion

fluxion

/ˈflʌkʃən/
noun
1.
(maths, obsolete) the rate of change of a function, especially the instantaneous velocity of a moving body; derivative
2.
a less common word for flux (sense 1), flux (sense 2)
Derived Forms
fluxional, fluxionary, adjective
fluxionally, adverb
Word Origin
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
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17
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