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sand·stone

sandstone

 
pronunciation:
saend ston
features:
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part of speech: noun
definition: Sandstone is a kind of rock that is made up of grains of sand tightly held together with something that was sticky at one time such as mud. Sandy places such as beaches and deserts can eventually become sandstone over time.
The cliffs along the beach are made out of sandstone.My little brother tried to make sandstone at the beach by squeezing some sand in his hands as hard as he could, but it didn't work.
 
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  rock, stone