dodecahedron

views updated May 14 2018

do·dec·a·he·dron / dōˌdekəˈhēdrən/ • n. (pl. -drons or -dra / -drə/ ) a three-dimensional shape having twelve plane faces, in particular a regular solid figure with twelve equal pentagonal faces.DERIVATIVES: do·dec·a·he·dral / -drəl/ adj.

dodecahedron

dodecahedron

views updated May 08 2018

dodecahedron A crystal form composed of 12 rhomb-shaped faces, each face intersecting two of the crystallographic axes and being parallel to the third. It belongs to the cubic (isometric) system.