# afflux

> English word · Noun

## Definitions
1. An upward rush of fluid.
2. 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.

## Etymology
From Latin affluĕre, affluxum. See affluent.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/afflux