Definition of opencast in English English dictionary
Of or pertaining to strip mining, in which material is removed from a surface that has been exposed
At an opencast mine, the coal, metal, or minerals are near the surface and underground passages are not needed. an opencast mine is one where coal is taken out of holes in the ground near the surface, not from deep under the ground
(of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine
(of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine"
opencast
Pronunciation
Etymology
[ 'O-p&n-"kast ] (adjective.) circa 1890. open + cast