English

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Etymology

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From back +‎ flow.

Noun

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backflow (countable and uncountable, plural backflows)

  1. The flow of a fluid (through a pipe etc.) in a direction opposite to that which is normal or intended.

Verb

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backflow (third-person singular simple present backflows, present participle backflowing, simple past and past participle backflowed)

  1. (transitive, intransitive) To flow in the wrong or backward direction.

Anagrams

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