rhombohedron
a solid bounded by six rhombic planes.
Origin of rhombohedron
1Other words from rhombohedron
- rhom·bo·he·dral, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use rhombohedron in a sentence
It crystallizes in rhombohedra belonging to the hexagonal system, having interfacial angles of 87 40′.
Acute rhombohedra in combination with the basal pinacoid are also frequent, giving crystals of octahedral aspect.
The Fontainebleau sandstone has large calcite rhombohedra filled with sand grains.
Crystals with plane faces are usually twinned, there being an interpenetration of two rhombohedra with the vertical axes parallel.
Compare fig. 72; for figures of other rhombohedra see Calcite.
British Dictionary definitions for rhombohedron
/ (ˌrɒmbəʊˈhiːdrən) /
a six-sided prism whose sides are parallelograms
Origin of rhombohedron
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for rhombohedron
[ rŏm′bō-hē′drən ]
A prism with six faces, each a rhombus.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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