fluxion

[ fluhk-shuh n ]
/ ˈflʌk ʃən /

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

OTHER WORDS FROM fluxion

flux·ion·al, flux·ion·ar·y, adjective flux·ion·al·ly, adverb

Example sentences from the Web for fluxional

British Dictionary definitions for fluxional

fluxion
/ (ˈflʌkʃən) /

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 forms of fluxion

fluxional or fluxionary, adjective fluxionally, adverb

Word Origin for fluxion

C16: from Late Latin fluxiō a flowing