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hexahedron

noun

hexa·​he·​dron ˌhek-sə-ˈhē-drən How to pronounce hexahedron (audio)
plural hexahedrons also hexahedra ˌhek-sə-ˈhē-drə How to pronounce hexahedron (audio)
: a polyhedron of six faces (such as a cube)

Word History

Etymology

Late Latin, from Greek hexaedron, from neuter of hexaedros of six surfaces, from hexa- + hedra seat — more at sit

First Known Use

1571, in the meaning defined above

Time Traveler
The first known use of hexahedron was in 1571

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