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Groundmass

nounverified·updated May 18, 2026

(geology) the matrix of fine-grained crystalline material in which larger crystals are embedded

Classifications

Entity Type

Unknownauthoritativeglossary_import_default_pending_classifier
?unassignedlast reviewed

Sensitivity

unclassified

Information Class

unclassified

Variants

plural
Groundmasses
possessive
Groundmass's
pluralpossessive
Groundmasses'