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xenocryst

[zen-uh-krist, zee-nuh-]
noun Mineralogy.
  1. a rock or crystal engulfed by magma and retained as an inclusion in the resulting igneous rock.
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Origin of xenocryst

Related formsxen·o·crys·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for xenocryst

xenocryst

noun
  1. a crystal included within an igneous rock as the magma cooled but not formed from it
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Word Origin for xenocryst

C20: from xeno- + cryst (al)
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

xenocryst in Science

xenocryst

[zĕnə-krĭst′, zēnə-]
  1. A crystal foreign to the igneous rock in which it occurs. Xenocrysts usually form during metamorphism. Compare xenolith.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.