WordReference Random House Learner's Dictionary of American English © 2015
flux /flʌks/USA pronunciation
n. WordReference Random House Unabridged Dictionary of American English © 2015
- [countable] a flowing or flow:a flux of traffic.
- [uncountable] continuous change or movement:Our plans are in a state of flux.
- a flowing or flow.
- the flowing in of the tide.
- continuous change, passage, or movement:His political views are in a state of flux.
- the rate of flow of fluid, particles, or energy.
- a quantity expressing the strength of a field of force in a given area.
- a substance used to refine metals by combining with impurities to form a molten mixture that can be readily removed.
- a substance used to remove oxides from and prevent further oxidation of fused metal, as in soldering or hot-dip coating.
- (in the refining of scrap or other metal) a salt or mixture of salts that combines with nonmetallic impurities, causing them to float or coagulate.
to fuse by the use of flux.
1 . course, current, flood, stream.
- Latin fluxus a flowing, equivalent. to fluc-, variant stem of fluere to flow + -tus suffix of verb, verbal action, with ct x
- Middle English 1350–1400
Collins Concise English Dictionary © HarperCollins Publishers::
flux /flʌks/ n
- a flow or discharge
- continuous change; instability
- a substance, such as borax or salt, that gives a low melting-point mixture with a metal oxide. It is used for cleaning metal surfaces during soldering, etc, and for protecting the surfaces of liquid metals
- a chemical used to increase the fluidity of refining slags in order to promote the rate of chemical reaction
- the rate of flow of particles, energy, or a fluid, through a specified area, such as that of neutrons (neutron flux) or of light energy (luminous flux)
- the strength of a field in a given area expressed as the product of the area and the component of the field strength at right angles to the area: magnetic flux, electric flux
- an excessive discharge of fluid from the body, such as watery faeces in diarrhoea
Etymology: 14th Century: from Latin fluxus a flow, from fluere to flow
- to make or become fluid
- (transitive) to apply flux to (a metal, soldered joint, etc)
'flux' also found in these entries: