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English definition of “limestone”

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limestone

noun [U]  /ˈlɑɪmˌstoʊn/ us  
a gray rock formed from the shells of sea animals, used in buildings and making cement
Translations of “limestone”
in Chinese (Traditional) 石灰石, 石灰岩…
in Chinese (Simplified) 石灰石, 石灰岩…
(Definition of limestone from the Cambridge Academic Content Dictionary © Cambridge University Press)
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