dihedral.
An angle between two plane surfaces
Meaning & usage
An angle between two plane surfaces
The upward slope of an aircraft's wing
The angle between pairs of chemical bonds separated by a third bond
Where this word comes from
From di- + -hedral.
Consisting of, relating to or contained between two plane surfaces.
dihedral angle
Having wings that form a dihedral angle, especially when the angle between the upper sides is less than 180°.
Of wing pairs, inclined at an upward angle to each other.
Where this word comes from
From di- + -hedral.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.