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Pentachora vs Pentachord - What's the difference?

pentachora | pentachord |

As nouns the difference between pentachora and pentachord

is that pentachora is (pentachoron) while pentachord is (music) five notes (pitch classes) in a scale.

pentachora

English

Noun

(head)
  • (pentachoron)

    • pentachoron

    English

    Noun

    (en-noun)
  • (mathematics) A four-dimensional object equivalent to a tetrahedron, constructed out of five tetrahedra.
  • * 2008 , George Musser, The Complete Idiot's Guide to String Theory , page 174:
    • A triangle becomes a tetrahedron (a type of pyramid), then a pentachoron (a hyperpyramid ).
  • * 2008 , Prabhakar Gupta et al., Design and Analysis of Algorithms , page 356:
    • Geometrically, K''3 relates to a triangle, ''K''4 a tetrahedron, ''K 5 a pentachoron , etc.
  • * 2013 , Caspar Henderson, The Book of Barely Imagined Beings , page 7:
    • 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).

    Synonyms

    *

    pentachord

    English

    Noun

    (wikipedia pentachord) (en noun)
  • (music) five notes (pitch classes) in a scale