definitions

open-pit

[ oh-puh n-pit ]
/ ˈoʊ pənˌpɪt /
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adjective 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.

Nearby words

open-jaw, open-line, open-market operations, open-minded, open-mouthed, open-pit, open-plan, open-pollinated, open-reel, open-reel tape, open-shelf

Origin of open-pit

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for open-pit

  • The cableway is so economical in its working that it has greatly advanced the process of "open-pit" mining.

    The Romance of Modern Mechanism|Archibald Williams