In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil as angle of attack increases. This occurs when the critical angle of attack of the foil is exceeded. The critical angle of attack is typically about 15 degrees, but it may vary significantly depending on the fluid, foil, and Reynolds number.

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  1. A compartment for a single animal in a stable or cattle shed.
  2. A stable; a place for cattle.
  3. A bench or table on which small articles of merchandise are exposed for sale.
  4. A small open-fronted shop, for example in a market.
  5. A very small room used for a shower or a toilet.
  6. A seat in a theatre close to and (about) level with the stage; traditionally, a seat with arms, or otherwise partly enclosed, as distinguished from the benches, sofas, etc.
  7. Loss of lift due to an airfoil's critical angle of attack being exceeded.
  8. An Heathen altar, typically an indoor one, as contrasted with a more substantial outdoor harrow.
  9. A seat in a church, especially one next to the chancel or choir, reserved for church officials and dignitaries.
  10. A church office that entitles the incumbent to the use of a church stall.
  11. A sheath to protect the finger.
  12. The space left by excavation between pillars.

Noun (etymology 2)

  1. An action that is intended to cause or actually causes delay.
    His encounters with security, reception, the secretary, and the assistant were all stalls until the general manager's attorney arrived.


  1. To put (an animal etc) in a stall.
    to stall an ox
  2. To fatten.
    to stall cattle
  3. To come to a standstill.
  4. To plunge into mire or snow so as not to be able to get on; to set; to fix.
    to stall a cart
  5. To exceed the critical angle of attack, resulting in total loss of lift.
  6. To live in, or as if in, a stall; to dwell.
  7. To be stuck, as in mire or snow; to stick fast.
  8. To be tired of eating, as cattle.
  9. To place in an office with the customary formalities; to install.
  10. To forestall; to anticipate.
  11. To keep close; to keep secret.

Verb (etymology 2)

  1. To employ delaying tactics against
    He stalled the creditors as long as he could.
  2. To employ delaying tactics
    Soon it became clear that she was stalling to give him time to get away.

The above text is a snippet from Wiktionary: stall
and as such is available under the Creative Commons Attribution/Share-Alike License.

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