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flux (flʌks) 

Definitions

noun

  1. a flow or discharge
  2. continuous change; instability
  3. 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
  4. (metallurgy) a chemical used to increase the fluidity of refining slags in order to promote the rate of chemical reaction
  5. a similar substance used in the making of glass
  6. (physics)(pathology) an excessive discharge of fluid from the body, such as watery faeces in diarrhoea
    1. 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)
    2. 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
  7. the act or process of melting; fusion
  8. (in the philosophy of Heraclitus) the state of constant change in which all things exist

verb

  1. to make or become fluid
  2. (transitive) to apply flux to (a metal, soldered joint, etc)
  3. (transitive) an obsolete word for purge

Word Origin

C14: from Latin fluxus a flow, from fluere to flow

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