retreat mining
n.— «It’s going to take a hard look at the technique called “retreat mining,” in which coal is removed from pillars that were left to support ongoing operations.» —“Rejecting fatalism” Courier-Journal (Louisville, Ky.) Aug. 9, 2005. (source: Double-Tongued Dictionary)
Further reading
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The word dezzick is defined in an 1875 dictionary of the Sussex dialect as “a day’s work.” This is part of a complete episode.
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