adjective
(dated) Made of (composed of) viscoid (which is a powered amorphous form of cellulose).
(dated) Made from (derived from) viscose (which is a liquid made from cellulose).
(dated, geology, chiefly of glacier flow) Describing a type of motion involving the hydrodynamics of viscous fluids intermixing.
(catachresis) Misconstruction of viscous.
noun
(dated) A powdered amorphous form of cellulose.