Xenocryst definition

zĕnə-krĭst, zēnə-
A crystal foreign to the igneous rock in which it occurs.
noun
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A crystal foreign to the igneous rock in which it occurs. Xenocrysts usually form during metamorphism.
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(geology) A crystal that does not occur in a specific igneous rock.
noun
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Other Word Forms

Noun

Singular:
xenocryst
Plural:
xenocrysts

Origin of xenocryst

  • xeno– cryst(al)

    From American Heritage Dictionary of the English Language, 5th Edition