deca·​he·​dron ˌde-kə-ˈhē-drən How to pronounce decahedron (audio)
plural decahedrons or decahedra ˌde-kə-ˈhē-drə How to pronounce decahedron (audio)
: a polyhedron of 10 faces

Word History


International Scientific Vocabulary

First Known Use

circa 1828, in the meaning defined above

Time Traveler
The first known use of decahedron was circa 1828

Dictionary Entries Near decahedron

Cite this Entry

“Decahedron.” Dictionary, Merriam-Webster, Accessed 13 Apr. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!