noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A regular skew apeirohedron with four hexagons around each vertex, formed by an infinite number of octahedron-like cells (specifically, truncated octahedra missing their square faces, and joined by the resulting square-shaped holes) in Euclidean 3D space.

Etymology

Short for multiple octahedron.

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