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.

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.

Backwashing cycle is run on the left filter of the test columns in a water filtration plant. [1] In terms of water treatment, including water purification and sewage treatment, backwashing refers to pumping …

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

Jul 5, 2024 · Most systems will backwash the filter medium automatically, but manual backwashing can be initiated if necessary. During backwashing, water flows through the filter tank in the opposite …

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

Backwash refers to the backward flow of water that occurs after a wave has broken and recedes back into the ocean, sea, or other bodies of water. It is an essential part of the wave cycle and plays a …

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

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.

/ˈbækwɒʃ/ IPA guide Other forms: backwashes Definitions of backwash noun the wave that spreads behind a boat as it moves forward synonyms: wake