Meaning of FLUX in English

FLUX

flux /flʌks/ BrE AmE noun [uncountable]

[ Date: 1300-1400 ; Language: Latin ; Origin: fluxus , past participle of fluere 'to flow' ]

a situation in which things are changing a lot and you cannot be sure what will happen:

Everything is in flux at the moment.

The education system is still in a state of flux.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.