pentahedron

noun

pen·ta·he·dron ˌpen-tə-ˈhē-drən

: a solid bounded by five faces

pentahedral

ˌpen-tə-ˈhē-drəl

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

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Browse Nearby Words

Pentagynia

pentahedron

pentahydrate

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Cite this Entry

Style

“Pentahedron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pentahedron. Accessed 1 Jul. 2025.

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