| 释义 |
dodecahedron Geom.|ˌdəʊdɪkəˈhiːdrən|
Also 6–9 dodecaedron, 6–8 -um.
[a. Gr. δωδεκάεδρον, neuter of δωδεκάεδρος, f. δώδεκα twelve + ἕδρα seat, base, face. Cf. F. dodécaèdre (16th c.).]
A solid figure having twelve faces: esp. the regular dodecahedron, see quots. 1570, 1653.
1570Billingsley Euclid xi. def. xxiv. 319 A Dodecahedron is a solide or bodily figure contained vnder twelue equall, equilater, and equiangle Pentagons. 1653H. More Antid. Ath. ii. (1662) 147 There are Five regular Bodies in Geometry..the Cube, the Tetraedrum, the Octaedrum, the Dodecaedrum, and the Eicosaedrum. 1850Daubeny Atom. The. vi. (ed. 2) 171 Phosphorus crystallizes in regular dodecaedrons. 1878Gurney Crystallogr. 85 A form consisting of twelve similar rhombuses..is..called the rhombic dodecahedron. |