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tetartohedral

[ ti-tahr-toh-hee-druhl ]

adjective

  1. (of a crystal) having one fourth the planes or faces required by the maximum symmetry of the system to which it belongs.


tetartohedral

/ tɪˌtɑːtəʊˈhiːdrəl /

adjective

  1. (of a crystal) having one quarter of the number of faces necessary for the full symmetry of its crystal system
“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
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Derived Forms

  • teˌtartoˈhedrally, adverb
  • teˌtartoˈhedralism, noun
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Other Words From

  • te·tarto·hedral·ly adverb
  • te·tarto·hedrism noun
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Word History and Origins

Origin of tetartohedral1

1855–60; < Greek tétarto ( s ) one fourth + -hedral
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Word History and Origins

Origin of tetartohedral1

C19: from Greek tetartos one fourth + -hedral
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Example Sentences

This is bounded by twelve irregular pentagons, and is a tetartohedral or quarter-faced form of the hexakis-octahedron.

These systems, however, only represented holohedral forms, leaving the hemihedral and tetartohedral classes to be explained.

Crystals belonging to many of the hemihedral and tetartohedral classes of the six systems of crystallization are devoid of a centre of symmetry.

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