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prismatoid

[priz-muh-toid]

noun

Geometry.

  1. a polyhedron having its vertices lying on two parallel planes.

prismatoid

/ ˈɪəˌɔɪ /

noun

  1. a polyhedron whose vertices lie in either one of two parallel planes Compare prism prismoid

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Word Forms

  • ˌˈٴǾ岹 adjective
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Word History and Origins

Origin of prismatoid1

1855–60; < Greek ī- (stem of î ) prism + -oid
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Word History and Origins

Origin of prismatoid1

C19: from Greek ٴDZ𾱻ŧ shaped like a prism; see prism , -oid
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Example Sentences

Examples have not been reviewed.

A scutoid is more complicated than a prismatoid, which is more complicated than a frusta, which is more complicated than a prism.

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prismatic telescopeprism binocular

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