The Collaborative International Dictionary of English v.0.48:
opencut \opencut\ adj. worked from the exposed surface; -- of mines and mining; as, opencut mining. Syn: opencast, strip(prenominal), open-pit. [WordNet 1.5]WordNet (r) 3.0 (2006):
opencut adj 1: (of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine" [syn: opencast, opencut]