A solid contained by twenty plane faces; spec. the regular icosahedron, contained by twenty equal equilateral triangles.
| 单词 | θ115970 |
| 释义 | the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > with fourteen or more faces (11) icosahedron1570 A solid contained by twenty plane faces; spec. the regular icosahedron, contained by twenty equal equilateral triangles. icosidodecahedron1570 A solid contained by twenty equilateral triangles and twelve regular pentagons, formed by replacing the twelve solid angles of the regular… icosaeder1656 = icosahedron, n. chiliahedron1690 A solid figure having a thousand sides. tetrahexahedron1816 A solid figure contained by twenty-four planes: †(a) see quots. 1816 1860 (obsolete); (b) = tetrakis-hexahedron, n. icositetrahedron1831 A solid figure contained by twenty-four plane faces; esp. a form contained by twenty-four equal symmetrical trapeziums or deltoids, also called deltoh… trisoctahedron1837 A solid figure having 24 faces, every three of which correspond to one face of an octahedron: either with triangular faces (= triakisoctahedron at tri… pentahexahedron1857 a pentahexahedral crystal. hexakisoctahedron1878 Greek ἑξάκις six times, forming an initial element in some crystallographical terms. ˌhexakisoctaˈhedron n. a solid figure contained by… tetrakaidekahedron1894 A fourteen-sided solid figure. Also tessarescædecahedron (Cent. Dict.). triacontahedron1939 a triacontahedral solid. |
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