opencastPronunciation: /ˈəʊp(ə)nkɑːst/ BritishDefinition of opencast adjective denoting a method of mining in which coal or ore is extracted at or from a level near the earth’s surface, rather than from shafts. noun [mass noun] the activity of opencast mining: communities facing the destruction of their countryside by opencastopencast in other Oxford dictionaries Definition of opencast in the US English dictionary
