limestone

Definition

An abundant rock of marine and freshwater sediments; primarily composed of calcite (CaCO₃); and occurring in a variety of forms, both crystalline and amorphous.

Etymology

From lime + stone.

Example Sentences

• "a limestone viaduct"
• "The house was a big elaborate limestone affair, evidently new. Winter sunshine sparkled on lace-hung casement, on glass marquise, and the burnished bronze foliations of grille and door."
• "As each blast furnace uses 200 tons of limestone daily, and each limestone kiln 150 tons, a total of 730 tons of limestone has to be carried daily, in addition to limestone chippings, which are sold."

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