polyhedron Definition
a solid figure with many flat faces and straight edges.
Using polyhedron: Examples
Take a moment to familiarize yourself with how "polyhedron" can be used in various situations through the following examples!
Example
A cube is a type of polyhedron.
Example
The crystal has many polyhedrons.
Example
A pyramid is also a type of polyhedron.
polyhedron Synonyms and Antonyms
Phrases with polyhedron
a polyhedron whose faces are congruent regular polygons and whose vertex figures are also congruent regular polygons
Example
The Platonic solids are examples of regular polyhedra.
a polyhedron that does not have congruent regular polygons for its faces or whose vertex figures are not congruent regular polygons
Example
A bipyramid is an example of an irregular polyhedron.
a polyhedron in which any line segment connecting two points inside the polyhedron lies entirely within the polyhedron
Example
A cube is an example of a convex polyhedron.
Origins of polyhedron
from Greek 'poly-' meaning 'many' and 'hedra' meaning 'faces'
Summary: polyhedron in Brief
A 'polyhedron' [pol-ee-hee-druhn] is a solid figure with many flat faces and straight edges. It can be regular or irregular, and convex or concave. Examples include a cube and a pyramid.