An MKS unit of dynamic viscosity equal to 1 pascal second or 10 poises or 1000 centipoises (cP). The poiseuille has been proposed, but not accepted, as an SI derived unit. See previous entry for more detail
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}