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“xenoliths”
In geology, a sample of rock that has a another origin to the igneous rock where it was found: In his class in geology, the teacher showed the class a fragment of a rock that was included in another rock, saying that this was an example of a xenolith.
This entry is located in the following units:
litho-, lith-, -lith, -lithic, -lite, -liths, -lites
(page 17)
xeno-, xen-, -xenic, -xenism, -xenist, -xenous, -xeny
(page 6)