mill run

(redirected from Mill Run (South Branch Potomac River))
Also found in: Wikipedia.

mill run

[′mil ‚rən]
(mining engineering)
A given quantity of ore tested for its quality by actual milling.
The yield of such a test.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

mill run

Products from a mill which have not been graded or inspected.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.