HyperDic: gritstone

English > 1 sense of the word gritstone:
NOUNsubstancegritstone, grit, gritrocka hard coarse-grained siliceous sandstone
English > gritstone: 1 sense > noun 1, substance
MeaningA hard coarse-grained siliceous sandstone.
Synonymsgrit, gritrock
BroadersandstoneA sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.)
Catalangrit

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