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Meaning of airfoil

air•foil

Pronunciation: (âr'foil"), [key]
— n. Aeron.
  1. any surface, as a wing, aileron, or stabilizer, designed to aid in lifting or controlling an aircraft by making use of the air currents through which it moves.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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