A unit of amount of substance. One ounce mole of a chemical compound is the same number of ounces as the molecular weight of a molecule of that compound measured in atomic mass units. Thus the ounce mole is equal to 28.349 52 moles
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}