o ‧ pen ‧ cast /ˈəʊpənkɑːst $ ˈoʊpənkæst/ BrE AmE adjective [usually before noun] British English
an opencast mine is one where coal is taken out of holes in the ground near the surface, not from deep under the ground:
opencast mining
o ‧ pen ‧ cast /ˈəʊpənkɑːst $ ˈoʊpənkæst/ BrE AmE adjective [usually before noun] British English
an opencast mine is one where coal is taken out of holes in the ground near the surface, not from deep under the ground:
opencast mining
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012