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flux

UK/flʌks/US/flʌks/
nounC1Common in everyday speech and writing · #8,159 of 15,258leans written

Other forms: fluxes

Flux is continuous change, or a flowing. In a state of flux, constant flux, magnetic flux.

In a state of flux is much the commonest use and means nothing has settled. In physics, flux is the amount of something passing through a surface. In soldering, flux is the paste that cleans the metal so the solder will stick.

Definitions of flux

  1. 1nounfluxContinuous change, or a flowing.C1

    “Fashion is in constant flux, with new trends every season.”

flux is a change.

Where it comes from

Latin fluxus means a flowing, from fluere, to flow. Fluid and influence are relatives.

  1. Latin

    fluxus — flow

  2. Old French

    flux

  3. English, today

    flux

From Old French flux, from Latin fluxus (“flow”).

Etymology from Wiktionary, CC BY-SA

Practise this word

flux in the wild

  • For transport phenomena, flux is a vector quantity, describing the magnitude and direction of the flow of a substance or property.

    Flux

  • The SI unit of magnetic flux is the weber, and the CGS unit is the maxwell.

    Magnetic flux

  • Some of the earliest known fluxes were sodium carbonate, potash, charcoal, coke, borax, lime, lead sulfide and certain minerals containing phosphorus.

    Flux (metallurgy)

  • Iron ore was also used as a flux in the smelting of copper.

    Flux (metallurgy)

  • The flux rule accounts for two mechanisms by which an emf can be generated.

    Faraday's law of induction

From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.