Definition, Meaning & Synonyms

per-mill

Noun
/pərˈmɪl/
Definition
A unit of measurement equivalent to one part per thousand, often represented by the symbol ‰.
Examples
  • The concentration of salt in seawater is about 35 per-mill.
  • The teacher graded the test, noting that only 5 per-mill of the students passed with top marks.
  • In the financial report, the expenses increased by 2 per-mill compared to last year.
Meaning
Per-mill is used to express ratios, concentrations, or comparisons where the total is divided into a thousand equal parts.
Synonyms
  • Thousandth
  • 0.1%