neutralisation

Noun
  1. A chemical reaction in which an acid and a base interact with the formation of a salt;
    With strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water (synset 113542275)
  2. (euphemism) the removal of a threat by killing or destroying it (especially in a covert operation or military operation) (synset 100235542)
  3. Action intended to keep a country politically neutral or exclude it from a possible war (synset 100235290)
    "the neutralization of Belgium"
  4. Action intended to nullify the effects of some previous action (synset 100234253)

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