icositetrahedron

American  

[ahy-koh-si-te-truh-hee-druhn, ahy-kos-uh-] / aɪˌkoʊ sɪˌtɛ trəˈhi drən, aɪˌkɒs ə- /

noun

plural

icositetrahedrons, icositetrahedra

1. a solid figure having 24 faces.

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icositetrahedron British  

/ ˌaɪkəsɪˌtɛtrəˈhiːdrən /

noun

1. a solid figure having 24 trapezoid faces, as occurring in some crystals

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Etymology

Origin of icositetrahedron

1825–35; < Greek eikosi- (combining form of eíkosi twenty) + tetrahedron

Example Sentences

The resulting protein assembly has the shape of a pentagonal icositetrahedron, which is the dual of the snub cube.

From Nature

Faces of a pentagonal icositetrahedron with high indices have been very rarely observed on crystals of cuprite, potassium chloride and ammonium chloride, but none of these are circular polarizing.

From Project Gutenberg

Here the cube, octahedron, rhombic dodecahedron, triakis-octahedron and icositetrahedron are geometrically the same as in the first class.

From Project Gutenberg