n.
Pronunciation: ' pwäz
Function: noun
Etymology: French, from Jean Louis Marie Poiseuille † 1869 French physician and anatomist
Date: 1913
: a centimeter-gram-second unit of viscosity equal to the viscosity of a fluid that would require a shearing force of one dyne to impart to a one-square-centimeter area of an arbitrary layer of the fluid a velocity of one centimeter per second relative to another layer separated from the first by a distance of one centimeter