noun, plural rhom·bo·he·drons, rhom·bo·he·dra [rom-buh–hee-druh] /ˌrɒm bəˈhi drə/.
- a solid bounded by six rhombic planes.
- of or relating to a rhombohedron
- crystallog another term for trigonal (def. 2)
- a six-sided prism whose sides are parallelograms
- See trigonal.
Plural rhombohedrons rhombohedra
- A prism with six faces, each a rhombus.