rhombohedra
/ˌrɑmboʊˈhidrə/
noun
- Plural of rhombohedron: solid figures with six faces, each of which is a rhombus.
- In geometry class, we learned how to calculate the volume of rhombohedra.
- The mineral calcite often forms natural rhombohedra.
- The crystal collection included several rhombohedra of different sizes.