Definition of fluxion in English:


Line breaks: flux|ion
Pronunciation: /ˈflʌkʃ(ə)n


Mathematics , • dated
  • A function corresponding to the rate of change of a variable quantity; a derivative.
    More example sentences
    • He integrated Leibniz's differential calculus and Newton's method of fluxions into mathematical analysis.
    • For Newton integration consisted of finding fluents for a given fluxion so the fact that integration and differentiation were inverses was implied.
    • I still must assert that this discovery appears to me to be as important for the middle of the nineteenth century as the discovery of fluxions [the calculus] was for the close of the seventeenth.


late 17th century: from French, or from Latin flux- 'flowed', from the verb fluere.

More definitions of fluxion

Definition of fluxion in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little