polyvinyl pyr|ro|li|done

polyvinyl pyr|ro|li|done «pih ROH luh dohn»,

a substance made from formaldehyde and acetylene, used chiefly with iodine and other antiseptics as an effective agent against bacteria, fungus, and virus, as a substitute for blood plasma in a time of shortage, and also in cosmetics and detergents. Formula: (C₆H₉NO)_n