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Definition of dihedral


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di·he·dral  audio  (d-hdrl) KEY 

ADJECTIVE:
Mathematics
  1. Formed by or having two plane faces; two-sided.
  2. Relating to, having, or forming a dihedral angle.
NOUN:
  1. Mathematics
    1. A dihedral angle.
    2. A dihedral group.
  2. Aeronautics The upward or downward inclination of an aircraft wing from true horizontal.



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