pentachoron
pentachoron noun: a four-dimensional object analogous to a tetrahedron, constructed out of five tetrahedra.
Noun
pentachoron (plural pentachorons or pentachora)
- A four-dimensional object analogous to a tetrahedron, constructed out of five tetrahedra.
- A triangle becomes a tetrahedron (a type of pyramid), then a pentachoron (a hyperpyramid).2008, George Musser, The Complete Idiot's Guide to String Theory, page 174
- Geometrically, K₃ relates to a triangle, K₄ a tetrahedron, K₅ a pentachoron, etc.2008, Prabhakar Gupta et al., Design and Analysis of Algorithms, page 356
- Synonyms:
- 5-cell
Synonyms of pentachoron
Forms of pentachoron
| plural | pentachorons |
|---|---|
| plural | pentachora |
Origin of pentachoron
From penta- (“five”) + -choron (“4-dimensional solid”), from Ancient Greek πέντε (pénte, “five”) and χῶρος (khôros, “room”).
Questions about pentachoron
- What does pentachoron mean?
- Pentachoron means a four-dimensional object analogous to a tetrahedron, constructed out of five tetrahedra.
- What part of speech is pentachoron?
- Pentachoron is a noun.
- What is the plural of pentachoron?
- The plural of pentachoron is pentachorons.
Words near pentachoron in the dictionary
Source and license
Adapted from Wiktionary: pentachoron (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-pentachoron.wav.
Cite this entry: “pentachoron.” Word.ws, https://word.ws/pentachoron. Based on Wiktionary, CC BY-SA 4.0.