toʊˈhi adjective
(of a crystal) having one fourth the planes or faces required by the maximum symmetry of the system to which it belongs.
Related forms
te·tar·to·he·dral·ly, adverb
te·tar·to·he·drism, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
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Link To tetartohedral
Collins
World English Dictionary
tetartohedral (tɪˌtɑːtəʊˈhiːdrəl) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —adj | |
| (of a crystal) having one quarter of the number of faces necessary for the full symmetry of its crystal system | |
| [C19: from Greek tetartos one fourth + | |
| tetarto'hedrally | |
| —adv | |
| tetarto'hedralism | |
| —n | |
| tetarto'hedrism | |
| —n | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Tetartohedral
is always a great word to know.
So is gobo. Does it mean:
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
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