What does icosahedron mean?
Definitions for icosahedron
aɪˌkoʊ səˈhi drən, aɪˌkɒs ə-icosa·he·dron
This dictionary definitions page includes all the possible meanings, example usage and translations of the word icosahedron.
Princeton's WordNet
icosahedronnoun
any polyhedron having twenty plane faces
Wiktionary
icosahedronnoun
a polyhedron with twenty faces; the regular icosahedron has regular triangles as faces and is one of the Platonic solids.
Etymology: From εἰκοσάεδρον, from εἴκοσι + ἕδρα.
Wikipedia
Icosahedron
In geometry, an icosahedron ( or ) is a polyhedron with 20 faces. The name comes from Ancient Greek εἴκοσι (eíkosi) 'twenty', and ἕδρα (hédra) 'seat'. The plural can be either "icosahedra" () or "icosahedrons". There are infinitely many non-similar shapes of icosahedra, some of them being more symmetrical than others. The best known is the (convex, non-stellated) regular icosahedron—one of the Platonic solids—whose faces are 20 equilateral triangles.
ChatGPT
icosahedron
An icosahedron is a polyhedron that has twenty faces, typically equilateral triangles. It also consists of 30 edges and 12 vertices. There are two types of icosahedra: regular and irregular. The regular icosahedron is one of the five Platonic solids which is convex and has identical faces, edges, and vertices, while the irregular versions may have variations on these aspects.
Webster Dictionary
Icosahedronnoun
a solid bounded by twenty sides or faces
Etymology: [Gr. ; twenty + seat, base, fr. to sit.]
Wikidata
Icosahedron
In geometry, an icosahedron is a polyhedron with 20 triangular faces, 30 edges and 12 vertices. A regular icosahedron with identical equilateral faces is often meant because of its geometrical significance as one of the five Platonic solids, all regular polyhedrons including the regular tetrahedron, the cube or regular hexahedron, the regular octahedron, and the regular dodecahedron with 4, 6, 8 and 12 identical faces, respectively. It has five triangular faces meeting at each vertex. It can be represented by its vertex figure as 3.3.3.3.3 or 35, and also by Schläfli symbol {3,5}. It is the dual of the dodecahedron, which is represented by {5,3}, having three pentagonal faces around each vertex. The name comes from the Greek: εικοσάεδρον, from είκοσι "twenty" and ἕδρα "seat". The plural can be either "icosahedrons" or "icosahedra".
Chambers 20th Century Dictionary
Icosahedron
ī-kos-a-hē′dron, n. (geom.) a solid having twenty equal sides or faces.—adj. Icosahē′dral. [Gr. eikosi, twenty, hedra, base.]
Matched Categories
Numerology
Chaldean Numerology
The numerical value of icosahedron in Chaldean Numerology is: 7
Pythagorean Numerology
The numerical value of icosahedron in Pythagorean Numerology is: 3
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Translations for icosahedron
From our Multilingual Translation Dictionary
- عشروني الوجوهArabic
- icosàedreCatalan, Valencian
- dvacetistěnCzech
- ikosaederDanish
- IkosaederGerman
- εικοσάεδροGreek
- dudekedroEsperanto
- icosaedroSpanish
- ikosaeeder, kakskümmendtahukasEstonian
- ایکو وجهیPersian
- ikosaedriFinnish
- icosaèdreFrench
- ikozaéderHungarian
- ikosaedroIdo
- icosaedroItalian
- icosahedronLatin
- regelmatig twintigvlakDutch
- ikosaederNorwegian
- dwudziestościan foremnyPolish
- icosaedroPortuguese
- икосаэдрRussian
- ikosaederSwedish
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