Dictionary

opencast

adjective open·cast \ˈō-pən-ˌkast\

: involving the removal of the surface of a large area of land to get at coal or other material that is near to the surface

Full Definition of OPENCAST

chiefly British
:  worked from a surface open to the air <an opencast mine> <opencast mining>
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First Known Use of OPENCAST

1713

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