flux - definition and synonyms

noun 

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/flʌks/
singularflux
pluralfluxes
  1. 1
    [uncountable] a condition of continuous change
    in a state of flux:

    The climate appears to be in a state of flux.

    in flux:

    Their ideas were still in flux.

  2. 2
    [countable/uncountable] science the rate at which matter or energy flows across a surface or area