Groundmass
nounverified·updated May 18, 2026
(geology) the matrix of fine-grained crystalline material in which larger crystals are embedded
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
?unassignedlast reviewed —
Sensitivity
unclassified
Information Class
unclassified
Variants
- plural
- Groundmasses
- possessive
- Groundmass's
- pluralpossessive
- Groundmasses'