Also found in: Thesaurus, Medical, Wikipedia.


a. A flow or flowing.
b. Continual change.
2. Archaic
b. fluxions Differential calculus.

[French, from Late Latin flūxiō, flūxiōn-, from Latin flūxus, flux; see flux.]

flux′ion·al adj.
flux′ion·al·ly adv.
References in periodicals archive ?
The past is not past, the future folds back upon itself, and the present is shot through with fluxions of past and future that destabilize it.
Recognizing this tension between Newton's actual mathematical practice and his stated philosophy of mathematics allows Guicciardini to shed considerable light on the progress of Newton's mathematical research, and he grants needed perspective on Newton's insistence on developing a mathematical program of fluxions (what we now refer to as Newton's calculus), which was to include both an analytic and synthetic method.
I know too well that a great majority of Englishmen are fond of The Indefinite which they Measure by Newtons Doctrine of the Fluxions of an Atom.
Katherine Rowe counterposes seventeenth-century tragedy, melodrama, and romance and their handling of contract to explore "the problem of forensic continuity of the self" (96) in a world anxious about fluxions of a humoral identity ("Inconstancy: Changeable Affections in Stuart Dramas of Contract").