Definition of "afflux" in Anglais

noun

1. An upward rush of fluid.

   • The vis viva of these affluxes is employed almost wholly in turning the mass of intermediate gas […]

2. (hydrology) The rise in water level (above normal) on the upstream side of a bridge or obstruction caused when the effective flow area at the obstruction is less than the natural width of the stream immediately upstream of the obstruction.