decahedron

noun
deca·​he·​dron | \ ˌde-kə-ˈhē-drən How to pronounce decahedron (audio) \
plural decahedrons or decahedra\ ˌde-​kə-​ˈhē-​drə How to pronounce decahedra (audio) \

Definition of decahedron

: a polyhedron of 10 faces

First Known Use of decahedron

circa 1828, in the meaning defined above

History and Etymology for decahedron

International Scientific Vocabulary

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