prismatoid
[ priz-muh-toid ]
nounGeometry.
a polyhedron having its vertices lying on two parallel planes.
Origin of prismatoid
1Words Nearby prismatoid
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British Dictionary definitions for prismatoid
prismatoid
/ (ˈprɪzməˌtɔɪd) /
noun
a polyhedron whose vertices lie in either one of two parallel planes: Compare prism (def. 3), prismoid
Origin of prismatoid
1C19: from Greek prismatoeidēs shaped like a prism; see prism, -oid
Derived forms of prismatoid
- prismatoidal, adjective
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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