Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
neutralisation is a noun meaning "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". It carries 4 recorded senses.
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)
euphemism
action intended to keep a country politically neutral or exclude it from a possible war
“the neutralization of Belgium”
action intended to nullify the effects of some previous action
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for neutralisation come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.