BACKWASH
backwash
Noun
- The backward flow of water from oars or propeller or breaking waves.
- The similar flow of air from an aircraft engine.
- The result or consequence of an event; an aftermath.
- The saliva, spit or food particles that have flowed back into a drink after someone has drunk from it.
Verb
- To operate a water filter in the reverse direction in order to clean it.
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