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per mill Syllabification: per mill

Entry from US English dictionary

(also per mil)

Definition of per mill in English:


One part in every thousand.
Example sentences
  • Isotopic concentrations were expressed as delta values in per mill.
  • He says the loss of sales per day for the industry is around 2 per day per mill.
  • According to the bylaw, the levy will be one per mill of the value of the animal.


Late 17th century: Latin.

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