flux

/fluks/

  • noun 1 continuous change. 2 the action or an instance of flowing. 3 Medicine an abnormal discharge of blood or other matter from or within the body. 4 Physics the total amount of radiation, or of electric or magnetic field lines, passing through an area. 5 a substance mixed with a solid to lower the melting point, especially in soldering or smelting.

  • verb treat (a metal object) with a flux to promote melting.

  — ORIGIN Latin fluxus, from fluere ‘to flow’.

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