polycondensation polyisocyanurate polymethacrylate polyhydroxyalkanoates polyoxymethylene polyhydramnios polyisocyanate polylithionite polymerisation polymerization polyneuropathy polynorbornene polyquaternium polygalacturonase polymorphonuclear polydispersity polycarboxylate polycrystalline polyelectrolyte polyfluorinated polyfluoroalkyl polynucleotides polynucleotide polyphosphate polysarcosine polybutadiene polychromatic polycistronic polydioxanone polysiloxanes polyunwrapper polychaete polyclonal polycystic polygamist polygynous polyhedral polyhymnia polyketone polylactic polymarkey polymathic polymerize polymorphs polynimial polynomail polynomial polyphasic polyphemus polyprotic