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Word of the Day Tuesday, June 9, 2026

backflow

/bækflou/ noun · British & US
Valid in UKValid in US
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What does backflow mean?

noun

The flow of a fluid in the opposite direction to its normal flow, or the return of a fluid to a source or reservoir. A situation in which a fluid flows backwards, often due to a change in pressure or a blockage in the flow path.

Example

"The backflow of water from the drain caused a mess in the kitchen."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for backflow

Antonyms of backflow

Rhymes with backflow

Etymologically related