Meanings
noungroundmass (plural groundmasses)
plural groundmasses
- geographyThe matrix of fine-grained crystalline material in which larger crystals are embedded.
Origin
Cite this entry
APA
groundmass. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/groundmass
MLA
“groundmass.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/groundmass. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “groundmass,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/groundmass.
Source: groundmass on Wiktionary, CC BY-SA 4.0.