tetrahedron
English
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tetrahedron
- /ˌtɛtɹəˈhiːdɹən/
- /ˌtɛ.tɹəˈhi.dɹɑn/ US, uncommon
Rhymes with -iːdɹən
Where it comes from
From Ancient Greek τετράεδρον (tetráedron, “triangle-based pyramid”), from τετράεδρος (tetráedros), from τετράς (tetrás, “four”) + ἕδρα (hédra, “seat”). By surface analysis, tetra- + -hedron.
noun tetrahedra · tetrahedrons · tetraedrum
- A polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral triangles, is one of the Platonic solids.
Translations
Every language
noun polyhedron
| Español | tetraedro |
|---|---|
| 한국어 | 사면체 samyeonche |
| 日本語 | 四面体 shimentai, 三角錐 sankakusui |
| 中文 | 四面體 /四面体 sìmiàntǐ |
| हिन्दी | चतुष्फलक catuṣphalak |
| Português | tetraedro |
| Français | tétraèdre |
| Deutsch | Tetraeder, Vierflächner, 4-Flächner |
| Italiano | tetraedro |
| Ελληνικά | τετράεδρο tetráedro |
| Română | tetraedru |
| Русский | тетра́эдр tetráedr, четырёхгра́нник četyrjoxgránnik |
| Tiếng Việt | tứ diện |
| עברית | ארבעון arba'ón |
Talk about this word "tetrahedron." Wiktionary, via Micwyn, micwyn.com/word/tetrahedron. Accessed 6 Nov. 2026. tetrahedron. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/tetrahedron "tetrahedron." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/tetrahedron.Cite this
@misc{tetrahedron_2026,
title = {tetrahedron},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/tetrahedron},
urldate = {2026-11-06}
}
