[ zen-l-ith ]
/ ˈzɛn l ɪθ /
a rock fragment foreign to the igneous rock in which it is embedded.
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Also called inclusion.
OTHER WORDS FROM xenolithxen·o·lith·ic, adjective
Words nearby xenolith
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for xenolith
/ (ˈzɛnəlɪθ) /
a fragment of rock differing in origin, composition, structure, etc, from the igneous rock enclosing it
Derived forms of xenolithxenolithic, adjective
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 xenolith
[ zĕn′ə-lĭth′, zē′nə- ]
A rock fragment foreign to the igneous mass in which it occurs. Xenoliths usually become incorporated into a cooling magma body when pieces of the rock into which the magma was injected break off and fall into it. Compare xenocryst.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.