polyhedron
[ pol-ee-hee-druhn ]
/ ˌpɒl iˈhi drən /
Save This Word!
noun, plural pol·y·he·drons, pol·y·he·dra [pol-ee-hee-druh]. /ˌpɒl iˈhi drə/.
a solid figure having many faces.
QUIZZES
QUIZ YOURSELF ON THE MANY TYPES OF NOUNS
They're everywhere you turn, but can you identify the 10 types of nouns easily? This quiz will test your mettle against singular, plural, concrete, abstract, common, proper, collective, compound, countable, and uncountable nouns!
Question 1 of 7
Shoelaces, rainbow, toothpaste, and haircuts are all what type of noun?
Meet Grammar Coach
Improve Your Writing
Words nearby polyhedron
polygynous, polygyny, polygyria, polyhedral, polyhedral angle, polyhedron, polyhedrosis, polyhidrosis, polyhistor, polyhydramnios, polyhydric
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for polyhedron
British Dictionary definitions for polyhedron
polyhedron
/ (ˌpɒlɪˈhiːdrən) /
noun plural -drons or -dra (-drə)
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
Derived forms of polyhedron
polyhedral, adjectiveWord Origin for polyhedron
C16: from Greek poluedron, from poly- + hedron side, base
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
polyhedron
[ pŏl′ē-hē′drən ]
Plural polyhedrons polyhedra
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 adjectiveThe American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.