| 单词 | pentahedron |
| 释义 | pentahedron[ pen-tuh-hee-druhn ] / ˌpɛn təˈhi drən / noun, plural pen·ta·he·drons, pen·ta·he·dra [pen-tuh-hee-druh]. /ˌpɛn təˈhi drə/.a solid figure having five faces. Origin of pentahedronFirst recorded in 1655–65; penta- + -hedron OTHER WORDS FROM pentahedronpen·ta·he·dral, adjectiveWords nearby pentahedronpentagonal dodecahedron, Pentagonese, pentagonoid, Pentagon Papers, pentagram, pentahedron, pentahydrate, pentahydric, pentahydroxy, pentalpha, pentamerous Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for pentahedronpentahedron / (ˌpɛntəˈhiːdrən) / noun plural -drons or -dra (-drə)a solid figure having five plane facesSee also polyhedron Derived forms of pentahedronpentahedral, adjectiveCollins 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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