Meaning of DIHEDRAL in English

DIHEDRAL

adj. & n.

--adj. having or contained by two plane faces.

--n. dihedral angle.

Phrases and idioms:

dihedral angle an angle formed by two plane surfaces, esp. by an aircraft wing with the horizontal.

Etymology: dihedron f. DI-(1) + -HEDRON

Oxford English vocab.      Оксфордский английский словарь.