Term: tetrahedron: any polyhedron having four plane faces
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: delayed action: a mechanism that automatically delays the release of a camera shutter for a fixed period of time so that the photographer can appear in the picture
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: headword: a content word that can be qualified by a modifier
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: swamp buggy: an amphibious vehicle typically having four-wheel drive and a raised body
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: esprit de corps: the spirit of a group that makes the members want the group to succeed
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: tertium quid: some third thing similar to two opposites but distinct from both
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: hawk: diurnal bird of prey typically having short rounded wings and a long tail
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: oscillator: generator that produces sonic oscillations or alternating current
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: cabochon: a highly polished gem that is cut convexly but without facets
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: largess: a gift or money given (as for service or out of benevolence); usually given ostentatiously
Broader: polyhedron: a solid figure bounded by plane polygons or faces | Unrelated: hydroelectric turbine: turbine consisting of a large and efficient version of a water wheel used to drive an electric generator