sandstone Meaning, Definition & Usage
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noun a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.)
WordNet
Sand"stone` noun
Definitions
A rock made of sand more or less firmly united. Common or siliceous sandstone consists mainly of quartz sand. ✍ Different names are aplied to the various kinds of sandstone according to their composition; as, granitic, argillaceous, micaceous, etc.