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run-of-the-mine

[ruhn-uh v-thuh-mahyn]
adjective
  1. of or relating to ore or coal that is crude, ungraded, etc.
  2. common or ordinary; run-of-the-mill: a boring, run-of-the-mine performance.
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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