| 单词 | trihedron |
| 释义 | trihedron[ trahy-hee-druhn ] / traɪˈhi drən / noun, plural tri·he·drons, tri·he·dra [trahy-hee-druh]. /traɪˈhi drə/. Geometry.the figure determined by three planes meeting in a point. Also trihedral. Origin of trihedronFirst recorded in 1820–30; tri- + -hedron Words nearby trihedrontrig point, trigram, trigraph, trihalomethane, trihedral, trihedron, trihydrate, trihydric, trihydric alcohol, trihydroxy, triiodomethane Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for trihedrontrihedron / (traɪˈhiːdrən) / noun plural -drons or -dra (-drə)a figure determined by the intersection of three planes 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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