prismatoid

noun
pris·​ma·​toid | \ ˈpriz-mə-ˌtȯid How to pronounce prismatoid (audio) \

Definition of prismatoid

: a polyhedron that has all of its vertices in two parallel planes

First Known Use of prismatoid

circa 1890, in the meaning defined above

History and Etymology for prismatoid

Late Latin prismat-, prisma prism

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Time Traveler for prismatoid

Time Traveler

The first known use of prismatoid was circa 1890

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Dictionary Entries Near prismatoid

prismatize

prismatoid

prism binocular

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Cite this Entry

“Prismatoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prismatoid. Accessed 23 May. 2022.

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