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[fan-uh-roh-kris-tl-in, -ahyn] /ˌfæn ə roʊˈkrɪs tl ɪn, -ˌaɪn/
adjective, Petrography.
(of a rock) having the principal constituents in the form of crystals visible to the naked eye.
Also, phaneritic
[fan-uh-rit-ik] /ˌfæn əˈrɪt ɪk/ (Show IPA)
Origin of phanerocrystalline
1860-65; < Greek phaneró(s) visible, manifest + crystalline Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for phaneritic


/ˌfænərəʊˈkrɪstəlɪn; -ˌlaɪn/
(of igneous and metamorphic rocks) having a crystalline structure in which the crystals are large enough to be seen with the naked eye
Word Origin
C19: from Greek phaneros visible + crystalline
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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phaneritic in Science
Of or relating to an igneous rock in which the crystals are so coarse that individual minerals can be distinguished with the naked eye. Phaneritic rocks are intrusive rocks that cooled slowly enough to allow significant crystal growth. Compare aphanitic.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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