trihedral
[ trahy-hee-druh l ]
/ traɪˈhi drəl /
adjective Geometry.
having, or formed by, three planes meeting in a point: a trihedral angle.
noun
a trihedron.
OTHER WORDS FROM trihedral
sub·tri·he·dral, adjectiveWords nearby trihedral
trigonum,
trigram,
trigraph,
trigère,
trihalomethane,
trihedral,
trihedron,
trihydrate,
trihydric,
trihydric alcohol,
trihydroxy
Example sentences from the Web for trihedral
A triangle and a trihedral angle are therefore reciprocal figures.
The angle between two planes is termed dihedral, between three trihedral, between any number more than three polyhedral.
British Dictionary definitions for trihedral
trihedral
/ (traɪˈhiːdrəl) /
adjective
having or formed by three plane faces meeting at a point
noun
a figure formed by the intersection of three lines in different planes
Word Origin for trihedral
C18: from
tri- + Greek
hedra base, seat +
-al
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