| English Dictionary |
GROUNDMASS
| Pronunciation (US): |  | (GB): | |
Dictionary entry overview: What does groundmass mean?
• GROUNDMASS (noun)
The noun GROUNDMASS has 1 sense:
1. (geology) the matrix of fine-grained crystalline material in which larger crystals are embedded
Familiarity information: GROUNDMASS used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
(geology) the matrix of fine-grained crystalline material in which larger crystals are embedded
Classified under:
Nouns denoting substances
Hypernyms ("groundmass" is a kind of...):
igneous rock (rock formed by the solidification of molten magma)
Domain category:
geology (a science that deals with the history of the earth as recorded in rocks)
Holonyms ("groundmass" is a substance of...):
porphyritic rock; porphyry (any igneous rock with crystals embedded in a finer groundmass of minerals)
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