Milline : A traditional unit of advertising. One milline equals the height of a line of "agate" type (5.5 points, or about 2 mm) times the width of a column times one million copies of the publication
Russ Rowlett (Director), How Many? A Dictionary of Units of Measurement, Center for Mathematics and Science Education University of North Carolina, USA 2005. http://www.unc.edu/~rowlett/units/dictA.html, (Unit of Meas and Covr Factors - Amer) {608}