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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.


1. (Mathematics) maths obsolete the rate of change of a function, esp the instantaneous velocity of a moving body; derivative
2. a less common word for flux1, flux2
[C16: from Late Latin fluxiō a flowing]
ˈfluxional, ˈfluxionary adj
ˈfluxionally adv


(ˈflʌk ʃən)

1. an act of flowing; flow or flux.
2. continuous change.
3. Math. the derivative relative to the time.
[1535–45; < Middle French < Late Latin fluxiō, for Latin fluctio]
flux′ion•al, flux′ion•ar•y, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.fluxion - a flow or discharge
flow, flowing - the motion characteristic of fluids (liquids or gases)
References in periodicals archive ?
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Ce ci etant, on ne peut alors que se rejouir devant cette nouvelle realisation qui permettra, il est vrai, d'alleger cette dense fluxion dans les facultes en question, de garantir un enseignement de plus en pus performant et assurer une meilleure proximite dans un territoire immense et complexe.
Khine is a scientist, innovator, co-founder of Fluxion Biosciences, founder of the Shrink nano-technology platform, as well as the assistant and founding professor of the School of Engineering at the University of California, Merced.
It can be understood in a static sense--as a fluxion of a particular market structure, which means tension between enterprises, or in a dynamic sense--as a process, struggle of the market participant when a new situation in the market is formed.
The fluxion concept was prevalent in England until 1820, when Robert Woodhouse (1773-1827), George Peacock (1791-1858), Charles Babbage (1791-1871), and John Herschel (1792-1871), all from Cambridge [38, p.
Fluxion Bioscience's BioFlux 200 System features a microfluidic system mounted to a well plate for off-chip valve control.
The ninth essay, Joseph Margolis's "Dewey's Metaphysics of Existence," asserts that Dewey's philosophy represents the authoritative form of pragmatism, which recognizes biological aspects of experience and maintains that all knowledge is relative to human purposes; Dewey's pragmatism maintains that nature is in a continuous state of fluxion and that all metaphysical and epistemological issues must be relativized accordingly.
The egoic pursuit of self-accomplishment is driven by the primal and ambivalent omnipotence of the ouroboric self characterized by typhonic (38) fluxion of its internal negativity (all=nothingness).
The most effective systems are carbon/KDF (Kinetic Degradation Fluxion media).
The music of Fluxion was surprisingly housey in nature, pushing out the beats even though being a distant relative in terms of actual sound textures.
Many of us in the parsonical line of work," admits Wicks Cherrycoke, "find congenial the Mathematics, particularly the science of the fluxion [differential calculus].
First, globalisation is a multi-faceted phenomenon involving more issues than the fluxion of economy and polity around "free" trade.