open·​cast | \ ˈō-pən-ˌkast How to pronounce opencast (audio) \

Definition of opencast

chiefly British
: worked from a surface open to the air an opencast mine opencast mining

Examples of opencast in a Sentence

Recent Examples on the Web To the south is the lunar landscape of a city-sized opencast lignite mine. The Economist, "Environmentalism is emerging as Europe’s new culture war," 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, "Huge Holes in the Earth: Open-Pit Mines Seen From Space," 15 Oct. 2009

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'opencast.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of opencast

1713, in the meaning defined above

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The first known use of opencast was in 1713

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Cite this Entry

“Opencast.” Dictionary, Merriam-Webster, Accessed 6 Aug. 2020.

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How to pronounce opencast (audio)

English Language Learners Definition of opencast

British : involving the removal of the surface of a large area of land to get at coal or other material that is near to the surface

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