Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Having or formed by three planes meeting at a point.
from The Century Dictionary.
- Having three faces; three-faced.
- noun The figure determined by three non-coplanar rays from a point.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Geom.) Having three sides or faces; thus, a
trihedral angle is a solid angle bounded by three plane angles.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective geometry Having three plane
faces that meet at a common point
Etymologies
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Examples
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There were triple suns that revolved slowly about one another -- stange as it may seem -- in perfect trihedral symmetry.
"He Who Shrank" by Henry Hasse, part 4 Johnny Pez 2010
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There were triple suns that revolved slowly about one another -- stange as it may seem -- in perfect trihedral symmetry.
Archive 2010-06-01 Johnny Pez 2010
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The angle between two planes is termed dihedral, between three trihedral, between any number more than three polyhedral.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 Various
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Those about the lamina spiralis are certainly necessary -- illus. substitution of trihedral for triangular.
Life and Letters of Thomas Henry Huxley — Volume 2 Thomas Henry Huxley 1860
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If we pass a plane cutting all the edges of a trihedral angle of the poly - hedron (i.e., a cube here), we separate one of the vertices from the rest of the polyhedron.
Recently Uploaded Slideshows sahmozac 2010
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