Holyhedron

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    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.

    "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."

Example

More examples

"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."

Etymology

Blend of hole or holey and polyhedron

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.