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
Sorry, no etymologies found.
Examples
-
There were triple suns that revolved slowly about one another -- stange as it may seem -- in perfect trihedral symmetry.
-
There were triple suns that revolved slowly about one another -- stange as it may seem -- in perfect trihedral symmetry.
-
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
-
Those about the lamina spiralis are certainly necessary -- illus. substitution of trihedral for triangular.
-
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.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.