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open
open account
open admissions
open adoption
open-air
open-and-shut
open bar
open book
open-cast
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open-cast
o·pen-cast


adjective 
Definition:
 
U.K. above-surface: describes a method of mining in which minerals or other materials are excavated from the surface rather than deep underground
open-cast mining
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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