Definitions for: Limestone

[n] a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals

Webster (1913) Definition: Lime"stone` (l[imac]m"st[=o]n`), n.
A rock consisting chiefly of calcium carbonate or carbonate
of lime. It sometimes contains also magnesium carbonate, and
is then called magnesian or dolomitic limestone.
Crystalline limestone is called marble.

See Also: atomic number 20, atomic number 6, C, Ca, calcite, calcium, carbon, rock, sedimentary rock, stone

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