anhedral

1 of 2

adjective

an·​he·​dral

(ˈ)an-¦hē-drəl

: allotriomorphic

anhedral

2 of 2

noun

an·​he·​dral (ˈ)an-¦hē-drəl 

plural anhedrals

aeronautics

: the angle between a downwardly inclined aircraft wing and a horizontal transverse line

The bottom wing had pronounced anhedral; the upper wing, dihedral.

—William Hallstead, Air & Space/Smithsonian, Feb/Mar 2000

called also negative dihedral

Word History

Etymology

Adjective

an- + -hedral

Noun

an- + (di)hedral

First Known Use

Adjective

1896, in the meaning defined above

Noun

circa 1956, in the meaning defined above

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