noun
airfoil profile; wing section
Technical term in aerodynamics referring to the cross-sectional shape of a wing or blade.
この翼型は揚力が大きい。
This airfoil profile generates high lift.
設計者は新しい翼型を風洞で試験した。
The designer tested the new wing section in a wind tunnel.
翼 (つばさ) is the general word for 'wing' as a body part or aircraft part, while 翼型 refers specifically to the cross-sectional shape.
Compound of 翼 (よく, 'wing') and 型 (かた > がた, 'mold, type, shape'). The reading よく is the on'yomi of 翼.