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%