polar aprotic solvent [obsolete] , 1142 polar effect, 1142 polar solvent, 1142 polarity, 1142 polarizability, 1143 polarization, , 1143 polarization error in spectrochemical analysis , 1144 polarization, in electrochemistry , 1144polarized interphases, 1144 polarography, 1145 polaron, 1145 pollution (pollutant), 1145 polyacid, 1145 polyaddition, 1145 polybase, 1146 polybetaine, 1146 polychromator, 1146 polycondensation, 1146 polycrystalline graphite, 1147 polycyclic system, 1147 polydisperse medium, 1147 polydisperse polymer, 1147 polyelectrolyte, 1148 polyelectrolyte complex, 1148 polyelectrolyte gel, 1148 polyelectrolyte network, 1148 polyfunctional catalysis, 1149 polygranular carbon, 1149 polygranular graphite, 1149 polyhedral symbol, 1149 polyhedranes, 1150 polyions, 1150 polyketides, 1150 polymer, 1151 polymer alloy, 1151 polymer blend, 1151 polymer catalyst, 1152 polymer compatibilizer, 1152 polymer complexation, 1152 polymer composite, 1153 polymer crystal, 1153 polymer crystallite, 1153 polymer cyclization, 1153 polymer degradation, 1153 polymer drug, 1154 polymer functionalization, 1154 polymer gel, 1154 polymer membrane, 1154 polymer network, 1155 polymer phase-transfer catalyst, 1155 polymer reactant, 1155 polymer reaction, 1155 polymer solvent, 1156 polymer sorbent, 1156 polymer support, 1156 polymer surfactant, 1156 polymer-derived ceramic, 1157 polymer-metal complex, 1157 polymer-poor phase, 1157 polymer-rich phase, 1157 polymer-supported catalyst, 1157 polymer-supported reaction, 1158 polymerase chain reaction (PCR ), 1158 polymeric sol, 1158