nounMathematics , dated
A function corresponding to the rate of change of a variable quantity; a derivative.
- 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.
For editors and proofreaders
Line breaks: flux|ion
Definition of fluxion in:
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.