Main Entry:

¹flux

Pronunciation:

\ˈfləks\

Function:

noun

Etymology:

Middle English, from Anglo-French & Medieval Latin; Anglo-French, from Medieval Latin fluxus, from Latin, flow, from fluere to flow — more at fluid

Date:

14th century

1: a flowing of fluid from the body: as a: diarrhea b: dysentery 2: a continuous moving on or passing by (as of a stream)3: a continued flow : flood4 a: influx b: change, fluctuation <in a state of flux>5: a substance used to promote fusion (as of metals or minerals) ; especially : one (as rosin) applied to surfaces to be joined by soldering, brazing, or welding to clean and free them from oxide and promote their union6: the rate of transfer of fluid, particles, or energy across a given surface