di·he·dral
| \ (ˌ)dī-ˈhē-drəl
\
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Definition of dihedral
1
: dihedral angle
2
: the angle between an aircraft supporting surface (such as a wing) and a horizontal transverse line
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“Dihedral.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dihedral. Accessed 6 Jul. 2022.
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Time Traveler for dihedral
The first known use of dihedral was circa 1911
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