Backwashing

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A form of water treatment in which water is pumped backwards through the filter media, sometimes with intermittent use of compressed air.

Synonyms

All synonyms
wakeafterwashaftermathaftermathairstreamback stream

Etymology

From back + washing.

Related phrases

compressed air

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.