polycondensation polyisocyanurate polyhydroxyalkanoates polyoxymethylene polyhydramnios polyisocyanate polylithionite polymerisation polymerization polyneuropathy polynorbornene polyquaternium polygalacturonase polymorphonuclear polydispersity polycarboxylate polycrystalline polyelectrolyte polyfluorinated polynucleotides polysarcosine polybutadiene polychromatic polycistronic polydioxanone polysiloxanes polyunwrapper polymetron polyaramid polybutene polychaete polyclonal polycyclic polycystic polygamist polygynous polyhedral polyhymnia polylactic polymarkey polymathic polymerize polymorphs polynomail polynomial polyphasic polyphemus polyprotic polysemant polysporin