sedimentary rock
noun
: rock formed of mechanical, chemical, or organic sediment: such as
a
: clastic rock (as conglomerate, sandstone, or shale) formed of fragments of other rock transported from its source and deposited in water
b
: rock (as rock salt or gypsum) formed by precipitation from solution
c
: rock (as limestone) formed from secretions of organisms
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Merriam-Webster unabridged
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