| 单词 | triacontahedron |
| 释义 | > as lemmastriacontaˈhedron triacontaˈhedron n. a triacontahedral solid. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > with fourteen or more faces icosahedron1570 icosidodecahedron1570 icosaeder1656 chiliahedron1690 tetrahexahedron1816 icositetrahedron1831 trisoctahedron1837 pentahexahedron1857 hexakisoctahedron1878 tetrakaidekahedron1894 triacontahedron1939 1939 H. S. M. Coxeter Ball's Math. Recreations & Ess. (ed. 11) v. 136 The compound of five cubes has the 30 facial planes of a triacontahedron. Reciprocally, the compound of five octahedra has the 30 vertices of an icosidodecahedron. 1986 Nature 6 Nov. 49/2 The triacontahedron is known to be the basic volume of the three-dimensional Penrose tiling. < as lemmas |
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