Meaning of longwall | Babel Free

Definitions

A long wall of coal that is mined in a single slice.

attributive, often

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.”

CEFR level