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polysemy
polysepalous
polysome
polysomic
polysorbate
polyspermy
polystichous
polystyrene
polysulfide
polysyllabic
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polyurethane
pol·y·ur·e·thane [ pòllee yrə thàyn ]


noun 
Definition:
 
synthetic plastic: a thermoplastic polymer that contains an NHCOO chemical group. Use: resins, coatings, insulation, adhesives, foams, fibers.
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