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prismoid

noun
pris·​moid | \ ˈpriz-ˌmȯid \

Definition of prismoid

: a prismatoid whose parallel bases have the same number of sides

Other Words from prismoid

prismoidal \ priz-​ˈmȯi-​dᵊl \ adjective

First Known Use of prismoid

1881, in the meaning defined above

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The first known use of prismoid was in 1881

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