# rhombicuboctahedron

> English word · Noun

## Definitions
1. An Archimedean solid with eight triangular and eighteen square faces; the small rhombicuboctahedron.
2. Either of the small rhombicuboctahedron and great rhombicuboctahedron.

## Etymology
From Latin rhombicuboctahaedron,
referring to the fact that the twelve of the square faces lie in the same planes as the twelve faces of the rhombic dodecahedron, the dual of the cuboctahedron. (See rhombicuboctahedron on Wikipedia.Wikipedia)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rhombicuboctahedron