'Polyurethane' definitions:
Definition of 'polyurethane'
From: WordNet
noun
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: polyurethane, polyurethan]
Definition of 'Polyurethane'
From: 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]