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 : flood
4 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 union
6 : the rate of transfer of fluid, particles, or energy across a given surface