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n. the process of delocalizing or the fact of being delocalized

n. the phenomenon in which bonding electrons of some molecules serve to bind several atoms instead of just two; it is observed in metals and in aromatic and conjugated organic compounds

"Also, by applying the concept of resonance, he was able to account for the delocalization of electrons in some molecules, although this involved drawing multiple structures for a given molecule, something that was impractical for large molecules."

resonance   

donor­acceptor    metamagnetism    5g    lithog    microprobe