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Meaning of shortwall

short•wall

Pronunciation: (shôrt'wôl"), [key]
— adj. Mining.
  1. pertaining to a means of extracting coal when the working face is about a third the length of the longwall system and mining is done by a continuous cutter rather than by longwall machinery.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.