open-cast

[oh-puhn-kast, -kahst]
adjective British Mining.

Origin:
1705–15

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To opencast
WordNet
opencast

adjective
(of mines and mining) worked from the exposed surface; "opencast mining"; "an opencut iron mine" 
WordNet® 3.0, © 2006 by Princeton University.
Cite This Source
Example sentences for opencast
The small opencast mine was heavily used during world war ii.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature