limestone
noun
lime·stone
| \ ˈlīm-ˌstōn
\
\
Definition of limestone
: a rock that is formed chiefly by accumulation of organic remains (such as shells or coral), consists mainly of calcium carbonate, is extensively used in building, and yields lime when burned
Examples of limestone in a Sentence
Recent Examples on the Web
Most soil test reports include a recommendation for amounts of limestone or sulfur to add to adjust soil acidity. — Washington Post, "If you’re worried your soil is contaminated, get it tested," 27 Aug. 2019 Guarello Island, in the Magallanes region, has large reserves of limestone and is used by CAP as a mining base. — Kay Guerrero And Helen Regan, CNN, "40,000 liters of oil have spilled into the sea off a remote island in Chile's pristine Patagonia," 29 July 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'limestone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for limestone
limestone
noun
English Language Learners Definition of limestone
: a type of white stone that is commonly used in building
See the full definition for limestone in the English Language Learners Dictionary
limestone
noun
lime·stone
| \ ˈlīm-ˌstōn
\
\
Kids Definition of limestone
: a rock formed chiefly from animal remains (as shells or coral) that is used in building and gives lime when burned
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