/puy rok"seuh lin, peuh-/ , n.
a nitrocellulose compound containing fewer nitrate groups than guncotton, used in the manufacture of artificial silk, leather, oilcloth, etc.
Also, pyroxyline /puy rok"seuh lin, -leen', peuh-/ .
[ 1830-40; PYRO- + XYL- + -IN 2 ]