aerofoil
/ˈɛroʊˌfɔɪl/
noun
- A shaped surface (such as a wing or blade) designed to produce lift or control motion when moving through air.
- Engineers tested a new aerofoil design for wind turbine blades to improve efficiency.
- The airplane's aerofoil creates lift by making air move faster over the top than the bottom.
- The shape of an aerofoil is curved on top and flatter on the bottom.
Synonyms