| CHILIAHEDRA | • chiliahedra n. Plural of chiliahedron. • CHILIAHEDRON n. (Greek) a one-thousand sided solid figure. |
| DECAHEDRONS | • decahedrons n. Plural of decahedron. • DECAHEDRON n. a solid figure or body inclosed by ten plane surfaces. |
| DODECAHEDRA | • dodecahedra n. Plural of dodecahedron. • DODECAHEDRON n. (Greek) a twelve-sided solid figure. |
| ENNEAHEDRAL | • enneahedral adj. (Geometry) Having nine sides. • ENNEAHEDRAL adj. of or like an enneahedron, a nine-sided solid figure. |
| ENNEAHEDRON | • enneahedron n. (Geometry) A polyhedron with nine faces. • ENNEAHEDRON n. a nine-sided solid figure. |
| HEPTAHEDRAL | • heptahedral adj. Having seven plane surfaces. • HEPTAHEDRAL adj. like a heptahedron. |
| HEPTAHEDRON | • heptahedron n. (Mathematics) any polyhedron having seven faces. • HEPTAHEDRON n. a solid figure having several plane faces. |
| HEXAHEDRONS | • hexahedrons n. Plural of hexahedron. • HEXAHEDRON n. a solid body of six sides or faces. |
| ICOSAHEDRAL | • icosahedral adj. Of, relating to, or having the shape of an icosahedron. • ICOSAHEDRAL adj. of or having the form of an icosahedron. |
| ICOSAHEDRON | • icosahedron n. (Geometry) A polyhedron with twenty faces. • icosahedron n. (Geometry, specifically) A regular icosahedron: one of the Platonic solids, all of whose faces are regular… • ICOSAHEDRON n. a polyhedron having 20 faces. |
| OCTAHEDRITE | • octahedrite n. (Mineralogy) The mineral anatase. • OCTAHEDRITE n. a variety of anatase, crystallising in square bipyramids. |
| OCTAHEDRONS | • octahedrons n. Plural of octahedron. • OCTAHEDRON n. (Greek) a solid bounded by eight plane faces, also OCTOHEDRON. |
| PENTAHEDRAL | • pentahedral adj. Relating to a pentahedron. • PENTAHEDRAL adj. of or like a pentahedron, a five-sided solid figure. |
| PENTAHEDRON | • pentahedron n. A solid geometric figure with five faces. • PENTAHEDRON n. a five-sided solid figure. |
| TETRAHEDRAL | • tetrahedral adj. In the shape of a tetrahedron. • tetrahedral adj. Having four faces, four apices and six edges. • TETRAHEDRAL adj. of a solid with four sides. |
| TETRAHEDRON | • tetrahedron n. (Geometry) A polyhedron with four faces; the regular tetrahedron, the faces of which are equal equilateral… • TETRAHEDRON n. a polyhedron that has four faces. |