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tetartohedral

[ti-tahr-toh-hee-druh l] /tɪˌtɑr toʊˈhi drəl/
adjective
1.
(of a crystal) having one fourth the planes or faces required by the maximum symmetry of the system to which it belongs.
Origin
1855-1860
1855-60; < Greek tétarto(s) one fourth + -hedral
Related forms
tetartohedrally, adverb
tetartohedrism, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for tetartohedrally

tetartohedral

/tɪˌtɑːtəʊˈhiːdrəl/
adjective
1.
(of a crystal) having one quarter of the number of faces necessary for the full symmetry of its crystal system
Derived Forms
tetartohedrally, adverb
tetartohedralism, tetartohedrism, noun
Word Origin
C19: from Greek tetartos one fourth + -hedral
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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