open-pit

open-pit
/oh"peuhn pit'/, adj. Mining.
noting or pertaining to a type of surface mining in which massive, usually metallic mineral deposits are removed by cutting benches in the walls of a broad, deep funnel-shaped excavation.
[1910-15]

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Universalium. 2010.

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  • open-pit — adjective North American term for opencast …   English new terms dictionary

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