Definition of opencast
: worked from a surface open to the air an opencast mine opencast mining
Recent Examples of opencast from the Web
The bright white-and-dark-blue–striped areas on the right side of this image are opencast coal mines in midwestern Germany.
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
OPENCAST Defined for English Language Learners
Definition of opencast for English Language Learners
: 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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