diorite
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di·o·rite
(dī′ə-rīt′)n.
Any of various dark, granite-textured, crystalline rocks rich in plagioclase feldspar and having little quartz.
[French, from Greek diorizein, to distinguish : dia-, apart, between; see dia- + horizein, to divide, limit; see horizon.]
di′o·rit′ic (-rĭt′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
diorite
(ˈdaɪəˌraɪt)n
(Minerals) a dark coarse-grained igneous plutonic rock consisting of plagioclase feldspar and ferromagnesian minerals such as hornblende
[C19: from French, from Greek diorizein to distinguish (from dia- apart + horizein to define) + -ite1]
dioritic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
di•o•rite
(ˈdaɪ əˌraɪt)n.
a granular igneous rock consisting essentially of plagioclase feldspar and hornblende.
[1820–30; < French < Greek dior(ízein) to distinguish]
di`o•rit′ic (-ˈrɪt ɪk) adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
diorite
A coarse-textured igneous rock, mainly comprising feldspar and pyroxene.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
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| Noun | 1. |  diorite - a granular crystalline intrusive rockigneous rock - rock formed by the solidification of molten magma |
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