xenolith

As nouns the difference between xenolith and enclave

is that xenolith is any piece of rock having a different origin to that of the igneous rock in which it is found while enclave is a political, cultural or social entity or part thereof that is completely surrounded by another.

As a verb enclave is

to enclose within a foreign territory.

As nouns the difference between taxonomy and xenolith

is that taxonomy is the science or the technique used to make a classification while xenolith is (geology) any piece of rock having a different origin to that of the igneous rock in which it is found.

As a noun xenolith is

(geology) any piece of rock having a different origin to that of the igneous rock in which it is found.

As nouns the difference between xenolith and phenocryst

is that xenolith is any piece of rock having a different origin to that of the igneous rock in which it is found while phenocryst is any relatively large crystal embedded in a more fine-grained or glassy igneous rock.

As a noun xenolith

is (geology) any piece of rock having a different origin to that of the igneous rock in which it is found.

As an adjective xenolithic is

being or pertaining to a xenolith.