neutralization
noun /ˌnjuːtrəlaɪˈzeɪʃn/
  /ˌnuːtrələˈzeɪʃn/
(British English also neutralisation)
 [uncountable]- the act of stopping something from having an effect
- the neutralization of monetary policy
 
 - (chemistry) the act of making a substance neutral
- the neutralization of peroxides