Another name for a mil [1], a unit of distance equal to 0.001 inch. Points are used with this meaning to measure the thickness, or caliper, of paper or card stock in the paper industry. One point equals 25.4 micrometers or microns
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}