Definition of xenolith
: a fragment of a rock included in another rock
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The surrounding landscape would be covered in volcanic ash and debris, some made of erupting magma, some made of chunks of mantle and crust xenoliths.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'xenolith.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of xenolith
1894
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See words that rhyme with xenolith Britannica.com: Encyclopedia article about xenolith
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