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millrun

[ mil-ruhn ]

noun

  1. a test of the mineral content or quality of a rock or ore consisting of the actual milling mill milling of a sample.
  2. the mineral obtained by means of this test.


millrun

/ ˈmɪlˌrʌn /

noun

  1. another name for millrace
  2. mining
    1. the process of milling an ore or rock in order to determine the content or quality of the mineral
    2. the mineral so examined
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


adjective

  1. (of commodities) taken straight from the production line; unsorted as to quality
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of millrun1

First recorded in 1645–55; mill 1 + run

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millrindMills