delocalization

From de- +‎ localization.

• (UK) IPA^(key): /diːˌləʊkəlaɪˈzeɪʃən/

delocalization (countable and uncountable, plural delocalizations)

1. the process of delocalizing or the fact of being delocalized
2. (organic chemistry, quantum mechanics, physical chemistry) 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

• resonance