triakis icosahedron
triakis icosahedron noun: a Catalan solid with 60 isosceles triangle faces, 90 edges and 32 vertices, being the dual of the truncated dodecahedron.

Noun
triakis icosahedron (plural triakis icosahedra)
- A Catalan solid with 60 isosceles triangle faces, 90 edges and 32 vertices, being the dual of the truncated dodecahedron.
- For example, with no hint of justification, it is stated (page 118) that "the icosahedron contains as much interior volume relative to surface area as is possible with only one type of face"; in fact, the triakis icosahedron does noticeably better in that respect.1942, American Scientist, volume 76, page 95
Forms of triakis icosahedron
| plural | triakis icosahedra |
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Questions about triakis icosahedron
- What does triakis icosahedron mean?
- Triakis icosahedron means a Catalan solid with 60 isosceles triangle faces, 90 edges and 32 vertices, being the dual of the truncated dodecahedron.
- What part of speech is triakis icosahedron?
- Triakis icosahedron is a noun.
- What is the plural of triakis icosahedron?
- The plural of triakis icosahedron is triakis icosahedra.
Words near triakis icosahedron in the dictionary
Source and license
Adapted from Wiktionary: triakis icosahedron (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Cite this entry: “triakis icosahedron.” Word.ws, https://word.ws/triakis_icosahedron. Based on Wiktionary, CC BY-SA 4.0.
