Pronunciation: /ˈɛrˌfɔɪl/
noun a structure with curved surfaces designed to give the most favorable ratio of lift to drag in flight, typically a wing or tail surface of an aircraft
A1 An airfoil is a shape that produces lift when air flows over it.
A2 Airfoils are commonly used in aircraft wings to generate lift.
B1 The design of an airfoil plays a crucial role in the performance of an airplane.
B2 Pilots must understand the principles of airfoil design to safely operate an aircraft.
C1 Aerodynamic engineers constantly study and improve airfoil designs for maximum efficiency.
C2 Advanced computational simulations are used to analyze the airflow over complex airfoil shapes.
formal The airfoil shape of an airplane wing helps generate lift during flight.
informal The airfoil design of the wing makes the plane fly smoothly.
slang Check out the cool airfoil on that aircraft's wing!
figurative Her words were like an airfoil, lifting his spirits and carrying him through the tough times.
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