xenocryst

[ zen-uh-krist, zee-nuh- ]
/ ˈzɛn ə krɪst, ˈzi nə- /

noun Mineralogy.

a rock or crystal engulfed by magma and retained as an inclusion in the resulting igneous rock.

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Origin of xenocryst

OTHER WORDS FROM xenocryst

xen·o·crys·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for xenocryst

xenocryst
/ (ˈzɛnəˌkrɪst) /

noun

a crystal included within an igneous rock as the magma cooled but not formed from it

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

Scientific definitions for xenocryst

xenocryst
[ zĕnə-krĭst′, zēnə- ]

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