run-of-the-mine

[ruhn-uh v-th uh-mahyn]

adjective

of or relating to ore or coal that is crude, ungraded, etc.
common or ordinary; run-of-the-mill: a boring, run-of-the-mine performance.

Also run-of-mine

[ruhn-uh v-mahyn] /ˈrʌn əvˈmaɪn/.

Origin of run-of-the-mine

First recorded in 1905–10

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

Examples from the Web for run-of-mine

Historical Examples of run-of-mine

The run-of-mine system means payment by weight of the coal as brought out of the mine including minute pieces and impurities.
A History of Trade Unionism in the United States
Selig Perlman