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⇱ boundary layer - WordReference.com Dictionary of English

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  - bound
  - bound charge
  - bound form
  - bound variable
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  - boundary layer
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boundary layer

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WordReference Random House Unabridged Dictionary of American English © 2026

bound′ary lay′er, [Physics.]

Physicsthe portion of a fluid flowing past a body that is in the immediate vicinity of the body and that has a reduced flow due to the forces of adhesion and viscosity.

1920–25

'boundary layer' also found in these entries (note: many are not synonyms or translations):

atmospheric boundary layer - friction layer - ground layer - radiation fog - surface boundary layer

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pressure surface’s boundary layer

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