Hebesphenomegacorona

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A polyhedron, one of the Johnson solids, having 18 triangular and 3 square faces.

Etymology

From hebe- + spheno- + mega- + corona. Compare sphenocorona, sphenomegacorona. Coined by Norman W. Johnson in 1969.

Related phrases

johnson solid

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