Phenocryst Definition
fēnə-krĭst
noun
A relatively large and usually conspicuous crystal found in a fine-grained matrix in porphyritic igneous rock.
Webster's New World
Other Word Forms of Phenocryst
Noun
Singular:
phenocryst
Plural:
phenocrystsOrigin of Phenocryst
pheno– cryst(al)
From American Heritage Dictionary of the English Language, 5th Edition
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