pentahedron

noun

pen·​ta·​he·​dron ˌpen-tə-ˈhē-drən How to pronounce pentahedron (audio)
: a solid bounded by five faces
pentahedral
ˌpen-tə-ˈhē-drəl How to pronounce pentahedron (audio)
adjective

Word History

Etymology

New Latin

First Known Use

1590, in the meaning defined above

Time Traveler
The first known use of pentahedron was in 1590

Rhymes for pentahedron

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Browse Nearby Words

Pentagynia
pentahedron
pentahydrate
See all Nearby Words

Cite this Entry

“Pentahedron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pentahedron. Accessed 11 Jul. 2025.

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