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limestone
DEFINITIONS OF:
limestone
1
n
a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
Types:
rottenstone
,
tripoli
a weathered and decomposed siliceous limestone; in powdered form it is used in polishing
Type of:
rock
,
stone
material consisting of the aggregate of minerals like those making up the Earth's crust
sedimentary rock
rock formed from consolidated clay sediments
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