Polyurethane

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Polyurethane \Pol"y*ur`eth*ane\, n. (Chem.)
     any polymer containing {[-NH.CO.O-]} linkages; such polymers
     are much used as the basis of light but rigid foams for
     packaging (
  
     {polyurethane foam}) and for hard coatings, as on floors.


        [PJC]

From WordNet (r) 2.0 [wn]:

  polyurethane
       n : any of various polymers containing the urethane radical; a
           wide variety of synthetic forms are made and used as
           adhesives or plastics or paints or rubber [syn: {ployurethan}]