per mill

adverb
\(ˌ)pər-ˈmil \

Definition of per mill 

: per thousand

Other Words from per mill

permillage \(ˌ)pər-​ˈmi-​lij \ noun

First Known Use of per mill

1682, in the meaning defined above

History and Etymology for per mill

per + Latin mille thousand

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The first known use of per mill was in 1682

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