heptahedron Definition

dihedron, decahedron, decahedral, pentahedron, trihedron, enneahedron, holohedral, rhombicosidodecahedron, scalenohedron, prismatoid, tetrahexahedron, hemihedral, hexoctahedron, polyhedron, trirhomboidal, disphenoid, regular polyhedron, prismoid, polyhedrous, regular polygon, hemiholohedral, trisoctahedron, point group, octangle, enneagonal, dihexagonal, plane figure, undecagon, catenoid, heptangular, hendecagon, hendecahedron, sexangled, cubane, hedron, dipyramid, dodecahedron, spheroconic, binode, septangle, gyroidal, eightling, pyritohedron, enneagon, heptamerous, geometral, tetrahedron, hexahedron, icosahedron, clinorhombic, triquadrantal, sectant, spherical angle, tangent plane, clinopinacoid, hept, octofid, triseriate, pinacoid, octoradiated, hemihedron, euclidean space, octahedron, heptagynous, triglyphic, tetartohedral, crystal system, orthopinacoid, orthodome, platonic solid, hepta, trimorphous, pseudosymmetry, conic section, cyclotomy, cyclide, macroprism, optical activity, septempartite, brachypinacoid, geometrize, bilateral symmetry, macropinacoid, scalene triangle, tricostate, quindecagon, projective geometry, fourling, antiparallelogram, magic square, map projection, cartesian product, trimorph, polyiamond, semiparabola, geometric series, isotrimorphism, macrodome, radial symmetry, brachydiagonal,