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rhombohedron

American  
[rom-buh-hee-druhn] / ˌrɒm bəˈhi drən /

noun

rhombohedrons, plural rhombohedra plural
  1. a solid bounded by six rhombic planes.


rhombohedron British  
/ ˌrɒmbəʊˈhiːdrən /

noun

  1. a six-sided prism whose sides are parallelograms

"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

rhombohedron Scientific  
/ rŏm′bō-hēdrən /
rhombohedrons plural
  1. A prism with six faces, each a rhombus.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of rhombohedron

1830–40; < Greek rhómbo ( s ) rhombus + -hedron

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Haydenite is the name given to small yellowish crystals, twinned on a rhombohedron plane r, from Jones’s Falls near Baltimore in Maryland.

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 7 "Cerargyrite" to "Charing Cross" by Various

The zig-zag lateral edges coincide with the similar edges of a rhombohedron, as shown in fig.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

Calcite cleaves in three directions parallel to the faces of the primitive rhombohedron.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

Six kinds of primitive forms were distinguished, namely, the cube, the regular octahedron, the regular tetrahedron, a rhombohedron, an octahedron with a rhombic base, and a double six-sided pyramid.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various

The end faces are cut off in such a manner that the angle of 72� which they originally form with the lateral edge of the rhombohedron is reduced to 68�.

From Scientific American Supplement, No. 441, June 14, 1884. by Various

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