shortwall

[shawrt-wawl]

adjective Mining.

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.

Origin of shortwall

First recorded in 1910–15; short + wall

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018