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trihedral
[ trahy-hee-druhl ]
adjective
, Geometry.
- having, or formed by, three planes meeting in a point:
a trihedral angle.
noun
- a trihedron.
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
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Other Words From
- subtri·hedral adjective
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Word History and Origins
Origin of trihedral1
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Word History and Origins
Origin of trihedral1
C18: from tri- + Greek hedra base, seat + -al 1
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Example Sentences
A triangle and a trihedral angle are therefore reciprocal figures.
From Project Gutenberg
The angle between two planes is termed dihedral, between three trihedral, between any number more than three polyhedral.
From Project Gutenberg
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