Is “Dihedral” a Scrabble word?
Yes
DIHEDRAL
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Dihedral
/daɪˈhiːdɹəl/
noun
1.An angle between two plane surfaces
2.The upward slope of an aircraft's wing
3.The angle between pairs of chemical bonds separated by a third bond
adjective
1.Consisting of, relating to or contained between two plane surfaces.
“dihedral angle”
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 180°.
3.Of wing pairs, inclined at an upward angle to each other.