Meaning of neutralisation

Definition of neutralisation

(noun) 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
(euphemism) the removal of a threat by killing or destroying it (especially in a covert operation or military operation)
action intended to keep a country politically neutral or exclude it from a possible war; "the neutralization of Belgium"

Other information on neutralisation

WIKIPEDIA results for neutralisation
Amazon results for neutralisation