dihedral

/daษชหˆhiหdษนษ™l/

IPA: /D AY1 HH IY1 D R AH0 L/

noun
  1. 1

    An angle between two plane surfaces

  2. 2

    The upward slope of an aircraft's wing

  3. 3

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

adjective
  1. 1

    Consisting of, relating to or contained between two plane surfaces.

    โ€œdihedral angleโ€

  2. 2

    (of a kite or an aeroplane) Having wings that form a dihedral angle, especially when the angle between the upper sides is less than 180ยฐ.

  3. 3

    Of wing pairs, inclined at an upward angle to each other.

Antonyms

Source: https://en.wiktionary.org/wiki/dihedral