Longwall

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A long wall of coal that is mined in a single slice. attributive, often

    "In addition to its work on longwall faces, the A.B. Fifteen has been adapted for shortwall work either as undercutter or as overcutter, particular care having been taken to give it increased manoauvrability by the provision of special pulleys, and increased mobility by the addition of a tilting underframe."

Example

More examples

"In addition to its work on longwall faces, the A.B. Fifteen has been adapted for shortwall work either as undercutter or as overcutter, particular care having been taken to give it increased manoauvrability by the provision of special pulleys, and increased mobility by the addition of a tilting underframe."

Etymology

From long + wall.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.