- a solid bounded by six rhombic planes.
Origin of rhombohedron
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Examples from the Web for rhombohedral
The second species, or rhombohedral calamine, is a carbonate of zinc.
Siderite, or spathic iron ore, FeCO3, crystallizes in the rhombohedral system and contains 48.28% of iron.
It was not common carbonate of lime, for the crystals were rhombohedral and did not show the cleavage of calcite.The Voyage of the Vega round Asia and Europe, Volume I and Volume II
A stereographic projection of a rhombohedral crystal is given in fig. 72.
On the other hand, hexagonal forms may be considered as a combination of two rhombohedral forms.
- of or relating to a rhombohedron
- crystallog another term for trigonal (def. 2)
- a six-sided prism whose sides are parallelograms
C19: from rhombus + -hedron
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- See trigonal.
- A prism with six faces, each a rhombus.
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