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open-cut

[oh-puh n-kuht]
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adjective Mining.
  1. noting or pertaining to a type of surface mining in which coal and other flat-lying mineral deposits are removed by the excavation of long, narrow trenches.
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Origin of open-cut

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for open cut

open cut

noun
  1. civil engineering an excavation made in the open rather than in a tunnelSee cut-and-cover
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012