1-Stop Dictionary Reference

Octahedron

Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition

n. A polyhedron with eight plane surfaces.

Wiktionary, Creative Commons Attribution/Share-Alike License

n. a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.

the GNU version of the Collaborative International Dictionary of English

n. A solid bounded by eight faces. The regular octahedron is contained by eight equal equilateral triangles.

The Century Dictionary and Cyclopedia

n. A solid bounded by eight faces.

WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

n. any polyhedron having eight plane faces

Word Usage

"A pyramid is not a Platonic solid because not all the sides are the same, but by sticking an inverted pyramid on the bottom you get an octahedron, which is."

Hypernym

Words that are more generic or abstract

polyhedron

Cross Reference

three-faced octahedron octahedron function truncated octahedron

Variant

octahedra

Rhyme

Words with the same terminal sound

polyhedron tetrahedron

Same Context

Words that are found in similar contexts

dodecahedron tetrahedron occultum tesseract starfish