polyhedron
a solid figure having many faces.
Origin of polyhedron
1Words Nearby polyhedron
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use polyhedron in a sentence
If we make a polyhedron out of clay, mark the edges with a Sharpie, and roll it into a ball, the faces and edges become curved but their number doesn’t change.
Synacral, sin-ak′ral, adj. having a common vertex, as faces of a polyhedron.
Crime, he admitted, is a very complex phenomenon; it is a sort of polyhedron, of which every one sees a special side.
The Criminal | Havelock Ellis"polyhedron" is from the Greek polys (many) and hedra (seat).
The Teaching of Geometry | David Eugene SmithThe points thus obtained are evidently the vertices of a polyhedron with plane faces.
In the first place, each of these figures may be conceived as an orthogonal projection of a closed plane-faced polyhedron.
British Dictionary definitions for polyhedron
/ (ˌpɒlɪˈhiːdrən) /
a solid figure consisting of four or more plane faces (all polygons), pairs of which meet along an edge, three or more edges meeting at a vertex. In a regular polyhedron all the faces are identical regular polygons making equal angles with each other. Specific polyhedrons are named according to the number of faces, such as tetrahedron, icosahedron, etc
Origin of polyhedron
1Derived forms of polyhedron
- polyhedral, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for polyhedron
[ pŏl′ē-hē′drən ]
A three-dimensional geometric figure whose sides are polygons. A tetrahedron, for example, is a polyhedron having four triangular sides.♦ A regular polyhedron is a polyhedron whose faces are all congruent regular polygons. The regular tetrahedron (pyramid), hexahedron (cube), octahedron, dodecahedron, and icosahedron are the five regular polyhedrons. Regular polyhedrons are a type of Archimedean solid.
Other words from polyhedron
- polyhedral adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Browse