Octadecahedron

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A polyhedron with eighteen faces.

    "The cell structure was considered to consist of spherical holes but for the purposes of calculation, the cells were assumed to be octadecahedra. ln this model, a compressive force along the principal axis of the octadecahedron and parallel to."

Synonyms

All synonyms
octakaidecahedron

Example

More examples

"The cell structure was considered to consist of spherical holes but for the purposes of calculation, the cells were assumed to be octadecahedra. ln this model, a compressive force along the principal axis of the octadecahedron and parallel to."

Etymology

From octadeca- + -hedron.

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