n.
Pronunciation: ' mil
Function: noun
Etymology: Latin mille thousand
Date: 1721
1 : THOUSAND <found a salinity of 38.4 per mil >
2 : a monetary unit formerly used in Cyprus equal to 1/1000 pound
3 : a unit of length equal to 1/1000 inch used especially in measuring thickness (as of plastic films)
4 : a unit of angular measurement equal to 1/6400 of 360 degrees and used especially in artillery