pentachoron
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
18
Scrabble Score
11
Letters
3
Syllables
9
Unique Chars
Meaning
noun
A four-dimensional object analogous to a tetrahedron, constructed out of five tetrahedra.
Example Sentences
- "A triangle becomes a tetrahedron (a type of pyramid), then a pentachoron (a hyperpyramid)."
- "Geometrically, K₃ relates to a triangle, K₄ a tetrahedron, K₅ a pentachoron, etc."
- "The tetrahedron is a 3-simplex whose 4-simplex analog is the pentachoron, a four-dimensional body which can be orphographically ^([sic]) projected onto a quincrux (as well as a pentagram and other shapes)."
Etymology
From penta- (“five”) + -choron (“4-dimensional solid”), from Ancient Greek πέντε (pénte, “five”) and χῶρος (khôros, “room”).