xenocryst

is likely misspelled.

has no English definition.

As a noun xenocryst

is a crystal that does not occur in a specific igneous rock.

As nouns the difference between xenoliths and xenocryst

is that xenoliths is while xenocryst is (geology) a crystal that does not occur in a specific igneous rock.

As nouns the difference between xenocryst and phenocryst

is that xenocryst is a crystal that does not occur in a specific igneous rock while phenocryst is any relatively large crystal embedded in a more fine-grained or glassy igneous rock.

As nouns the difference between taxonomy and xenocryst

is that taxonomy is the science or the technique used to make a classification while xenocryst is (geology) a crystal that does not occur in a specific igneous rock.

Macrocryst is a related term of xenocryst.

As nouns the difference between xenocryst and macrocryst

is that xenocryst is a crystal that does not occur in a specific igneous rock while macrocryst is a relatively large crystal occurring in a mineral deposit, usually defined as one between 0.5 mm and 10 mm in size.

Xenoblast is a related term of xenocryst.

As nouns the difference between xenocryst and xenoblast

is that xenocryst is a crystal that does not occur in a specific igneous rock while xenoblast is a crystal forming in a metamorphic rock that has not developed its characteristic crystalline faces and which gets its shape from bordering crystals.