tris·​oc·​ta·​he·​dron ˌtri-ˌsäk-tə-ˈhē-drən How to pronounce trisoctahedron (audio)
: a solid (such as a crystal) having 24 congruent faces meeting on the edges of a regular octahedron

Word History


Greek tris thrice + English octahedron — more at ter-

First Known Use

circa 1847, in the meaning defined above

Time Traveler
The first known use of trisoctahedron was circa 1847

Dictionary Entries Near trisoctahedron

Cite this Entry

“Trisoctahedron.” Dictionary, Merriam-Webster, Accessed 2 Oct. 2023.

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