The meaning of BACKWASH is a backward flow or movement (as of water or air) produced especially by a propelling force; also : the fluid that is moving backward.

When the first tsunami struck, it created widespread backwash channels that carried water back to the sea.

May 28, 2025 · What Is Backwash? Backwash happens naturally, explains Dr. Dasgupta. "When you swallow, a small amount of liquid and saliva can be pulled back into the bottle, cup, or straw.

backwash An even layer of water that moves along the sea floor from the beach through the surf zone and caused by the pile-up of water on the beach from incoming breakers.

Definition of backwash noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Backwashing is a form of preventive maintenance so that the filter media can be reused. In water treatment plants, backwashing can be an automated process that is run by local programmable logic …

Backwash is the backward movement of water caused by something moving through it. The skipper pushed the boat hard, creating a broad white backwash at our stern.

BACKWASH definition: water thrown backward by the motion of oars, propellers, paddle wheels, etc. See examples of backwash used in a sentence.

The backwash is an intense rinsing and tossing of the medium that lasts for several minutes. In a standard residential filter, a typical backwash lasts about ten minutes.

• Sterling was caught in the backwash of a run against the dollar. • I don't want to be left in the backwash when Gilson realizes the company's going bankrupt.