[ruhn-uh v-th uh-mahyn]
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. 2019