holyhedron

H4O1L1Y4H4E1D2R1O1N1

noun

A polyhedron with a finite number of faces and with a polygonal hole in every face, the holes' boundaries sharing no point with each other or the face's boundary.

Scrabble 20
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Meanings

nounholyhedron (plural holyhedra)

plural holyhedra

  1. geometryA polyhedron with a finite number of faces and with a polygonal hole in every face, the holes' boundaries sharing no point with each other or the face's boundary.

    John Conway of Princeton University offered a reward in the 1990s to anyone producing a holyhedron, a polyhedron with a finite number of faces and with a hole in every face. […] Conway had predicted that someone will eventually find a holyhedron with fewer than 100 faces.

    1969, Charles Miller, Vern Heeren, John Hornsby, Margaret Morrow, Jill Van Newenhizen, Mathematical Ideas, 11th edition

Origin

Blend of hole or holey and polyhedron

Full word history & related roots →

Translations

Finnish reikäinen monitahokas
  • reikäinen monitahokasTranslations
Polish wielościan z dziurami
  • wielościan z dziuramiTranslations
Russian холиэдр
  • холиэдр (xoliedr)Translations
Cite this entry
APA

holyhedron. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/holyhedron

MLA

“holyhedron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/holyhedron. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “holyhedron,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/holyhedron.

Source: holyhedron on Wiktionary, CC BY-SA 4.0.