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English Lexicon

Backrush

/ˈbæk.rʌʃ/
nounCEFR C1 (Advanced)Top #45000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A sudden, violent backward surge or rush of water, air, or mechanical energy.

    "The swimmers struggled against the powerful backrush of the receding tide."
  2. 2

    An unintended backward movement or backlash in a mechanical gear or line system.

    "Adjusting the tension prevented any dangerous backrush in the winch drum."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term is a compound formed from the Old English root 'bæc' (meaning behind or backward) combined with 'rush' (derived from Middle English 'russhen', meaning to move forward with speed or force). It emerged in technical contexts during the 19th century to describe sudden backward movements or currents, particularly in mechanics and hydrodynamics.

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