adj.
Pronunciation: ' ō -p ə n- ˌ kast
Function: adjective
Date: 1713
chiefly British : worked from a surface open to the air <an opencast mine> < opencast mining>
adj.
Pronunciation: ' ō -p ə n- ˌ kast
Function: adjective
Date: 1713
chiefly British : worked from a surface open to the air <an opencast mine> < opencast mining>
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012