| NOUN | substance | gritrock, grit, gritstone | a hard coarse-grained siliceous sandstone |
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| Meaning | A hard coarse-grained siliceous sandstone. | |
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| Synonyms | grit, gritstone | |
| Broader | sandstone | A sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.) |
| Catalan | grit | |
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