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longwall

[lawng-wawl, long-]
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adjective Mining.
  1. noting or pertaining to a means of extracting coal or other minerals in an underground mine from a continuous face, the roof before the face being supported at intervals by temporary or movable artificial supports.Compare room-and-pillar.
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noun
  1. the continuous face so worked.
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Origin of longwall

First recorded in 1830–40; long1 + wall
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for longwall

Historical Examples

  • A few days later Maurice had come along with news of rooms in Longwall.

    Sinister Street, vol. 2

    Compton Mackenzie

  • The New College man he was going to live with is going down, and he had fixed up some rather jolly digs in Longwall.

    Sinister Street, vol. 2

    Compton Mackenzie