noun
flux
fluhks
noun
1
A state of continuous change.
"The company's strategy has been in flux since the merger."
2
A chemical substance used to clean metal surfaces before soldering or welding.
"He applied flux to the joint before soldering the pipe."
3
A measure of the flow of energy or a field through a surface, in physics.
"Scientists measured the magnetic flux passing through the coil."
How to Use Flux
Learner’s notesIn plain EnglishOngoing, unsettled change — or, in a technical sense, a substance used in soldering or a measurement in physics.
Common pairings
in a state of flux
constant flux
soldering flux
Word Forms
fluxed past tense, fluxes plural, fluxes singular
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Etymology
From Old French flux, from Latin fluxus ("flow").