(MPA), 968 multi-centre bond, 968 multi-centre reaction [obsolete] , 969 multi-channel pulse height analyser, 969 multi-strand chain in polymers , 969 multi-strand macromolecule, 969 multicoat morphology, 970 multiconfiguration SCF method, 970 multienzyme, 970 multienzyme complex, 970 multienzyme polypeptide, 971 multilayer, 971 multilayer adsorption, 971 multilayer aggregate in polymer crystals , 971 multiphase copolymer, 971 multiphoton absorption, 972 multiphoton ionization in mass spectrometry , 972 multiphoton process, 972 multiple inclusion morphology, 972 multiple peak scanning in mass spectrometry , 972 multiple scattering, 973 multiple-pass cell in spectrochemical analysis , 973 multiplex spectrometer, 973