an act of flowing; a flow or flux.
Mathematics. the derivative relative to the time.
Origin of fluxion
1535–45;Related formsflux·ion·al, flux·ion·ar·y, adjectiveflux·ion·al·ly, adverb
< Middle French
< Late Latin fluxiōn-
(stem of fluxiō
) a flowing. See flux
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.
Mr. Fluxion "made no sign," and the acting officers were as reticent as ever.
In a word, Mr. Fluxion understood his crew, and knew what he was about.
Mr. Fluxion immediately went on board of the ship, and reported to the principal.
Mr. Fluxion called Captain Terrill, and the order was given to pipe all hands.
British Dictionary definitions for fluxion
Derived Formsfluxional or fluxionary, adjectivefluxionally, adverb
maths obsolete the rate of change of a function, especially the instantaneous velocity of a moving body; derivative
Word Origin for fluxion
C16: from Late Latin fluxiō a flowing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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