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English definition of “limestone”


noun [U] uk   /ˈlaɪm.stəʊn/ us    /-stoʊn/
a white or light grey rock that is used as a building material and in the making of cementBuilding materialsTypes of rockPrecious and semi-precious stones
(Definition of limestone from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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