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dihedral

[dahy-hee-druh l] /daɪˈhi drəl/
adjective
1.
having or formed by two planes.
2.
of or pertaining to a dihedron.
noun
3.
4.
Aeronautics. the angle at which the right and left wings or the halves of any other horizontal surface of an airplane or the like are inclined upward or downward.
Origin
1790-1800
1790-1800; di-1 + -hedral
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for dihedral
  • Added dihedral or sweep again may be used to decrease these detrimental effects.
British Dictionary definitions for dihedral

dihedral

/daɪˈhiːdrəl/
adjective
1.
having or formed by two intersecting planes; two-sided a dihedral angle
noun
2.
Also called dihedron, dihedral angle. the figure formed by two intersecting planes
3.
the US name for corner (sense 2)
4.
the upward inclination of an aircraft wing in relation to the lateral axis Compare anhedral
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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dihedral in Science
dihedral
  (dī-hē'drəl)   
Formed by a pair of planes or sections of planes that intersect.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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