grainstone
nounEtymology From grain + stone.
1
A kind of calcareous rock that lacks mud and is grain-supported.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
Etymology From grain + stone.
A kind of calcareous rock that lacks mud and is grain-supported.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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