English Dictionary

dihedral

/daɪˈhiːdɹəl/

noun

(mathematics) An angle between two plane surfaces / (aeronautics) The upward slope of an aircraft's wing / (chemistry) The angle between pairs of chemical bonds separated by a third bond

The dihedral angle of the airplane's wings allows for stable flight.

意味（1）

(mathematics) An angle between two plane surfaces

意味（2）

(aeronautics) The upward slope of an aircraft's wing

意味（3）

(chemistry) The angle between pairs of chemical bonds separated by a third bond