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[en-ee-uh-hee-druh n]
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noun, plural en·ne·a·he·dra [en-ee-uh-hee-druh] /ˌɛn i əˈhi drə/.
  1. a solid figure having nine faces.
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Origin of enneahedron

Related formsen·ne·a·he·dral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for enneahedron


noun plural -drons or -dra (-drə)
  1. a solid figure having nine plane facesSee also polyhedron
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Derived Formsenneahedral, 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