A unit of dynamic viscosity equal to 0.1 pascal second (Pa·s) or 1 poise. This rather clumsy SI unit is occasionally used because of its equivalence with the poise, an older unit not allowed in the SI
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}