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opencast

adjective

open·​cast ˈō-pən-ˌkast How to pronounce opencast (audio)
chiefly British
: worked from a surface open to the air
an opencast mine
opencast mining

Example Sentences

Recent Examples on the Web To the south is the lunar landscape of a city-sized opencast lignite mine. The Economist, 29 June 2019 The bright white-and-dark-blue–striped areas on the right side of this image are opencast coal mines in midwestern Germany. Betsy Mason, WIRED, 15 Oct. 2009

Word History

First Known Use

1713, in the meaning defined above

Time Traveler
The first known use of opencast was in 1713

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