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Definition of "long-wall" [long-wall]

  • In coal-mining, an epithet noting a method of working a coal-mine in which the whole seam is worked away except the pillars at the shafts and sometimes the main-road pillars.

The Century Dictionary (Public Domain)

Use "long-wall" in a sentence
  • "It has snaked around the long-wall devastation of Southern Illinois, among the dispossessed ranchers of Wyoming and Montana, and through the blighted back yards of Chicago, Milwaukee, and a dozen other cities where toxic relics that might have made sense a century ago have been kept on life-support by utility lobbyists and coal-cozened politicians and regulators."
  • "The tar sands verdict will show whether he really intends to move us to clean energy or whether he will instead support going after dirtier and dirtier fuels tar sands, oil shale, mountaintop removal, long-wall coal mining, hydro-fracking, deep ocean and Arctic exploration, etc."
  • "The acquisition would give Milwaukee-based Joy Global a greater foothold in the Chinese coal-mining market as International Mining is one of China's largest underground long-wall coal mining equipment makers, said J.P. Morgan in a research note."