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English definition of “opencast”

opencast

adjective uk   /ˈəʊ.pən.kɑːst/ us    /ˈoʊ.pən.kæst/ UK (US open-cut)
describes a place where minerals, especially coal, are taken from the surface of the ground rather than from passages dug under it, or relating to this way of getting minerals: opencast mine/miningMining and quarrying
(Definition of opencast from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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