Word.ws English Dictionary

dihedral

/daɪˈhiːdɹəl/

dihedral noun: an angle between two plane surfaces.

Noun

dihedral (plural dihedrals)

  1. An angle between two plane surfaces
  2. The upward slope of an aircraft's wing
  3. The angle between pairs of chemical bonds separated by a third bond

Adjective

dihedral (not comparable)

  1. Consisting of, relating to or contained between two plane surfaces.
    • dihedral angle
  2. Having wings that form a dihedral angle, especially when the angle between the upper sides is less than 180°.
  3. Of wing pairs, inclined at an upward angle to each other.

Antonyms of dihedral

Forms of dihedral

pluraldihedrals

Origin of dihedral

From di- + -hedral.

Words formed from dihedral

Phrases with dihedral

Questions about dihedral

What does dihedral mean?
Dihedral means an angle between two plane surfaces.
What part of speech is dihedral?
Dihedral can be a noun or an adjective.
How do you pronounce dihedral?
Dihedral is pronounced /daɪˈhiːdɹəl/.
What is the plural of dihedral?
The plural of dihedral is dihedrals.

Words near dihedral in the dictionary

  1. dihaplotype
  2. dihaplotypes
  3. dihectagon
  4. dihectagons
  5. dihedra
  6. dihedral
  7. dihedral angle
  8. dihedral angles
  9. dihedral group
  10. dihedral groups
  11. dihedrals

Source and license

Adapted from Wiktionary: dihedral (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-dihedral.wav.

Cite this entry: “dihedral.” Word.ws, https://word.ws/dihedral. Based on Wiktionary, CC BY-SA 4.0.