yvlog

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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

/ ɪˌɑːəʊˈːə /

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

  • ٱˌٲٴˈ, adverb
  • ٱˌٲٴˈ, noun
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Other yvlog Forms

  • ٱ·ٲt·d· adverb
  • ٱ·ٲt·d noun
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yvlog History and Origins

Origin of tetartohedral1

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

Origin of tetartohedral1

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

Examples have not been reviewed.

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

From

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

From

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

From

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