dihedral

  1. Noun.  (mathematics) An angle between two plane surfaces.
  2. Noun.  (aeronautics) The upward slope of an aircraft's wing.
  3. Noun.  (chemistry) The angle between pairs of chemical bonds separated by a third bond.
  4. Adjective.  (mathematics) Consisting of, relating to or contained between two plane surfaces.

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This entry was last updated on RefTopia from its source on 3/20/2012.