Action intended to nullify the effects of some previous action

• With strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water
• Action intended to keep a country politically neutral or exclude it from a possible war
• A chemical reaction in which an acid and a base interact with the formation of a salt

Wiktionary Word definitions in Wiktionary
n. (label en British spelling) The act of neutralise.

Wikipedia Word definitions in Wikipedia
Neutralisation or neutralization in the immunological sense refers to the ability of specific antibodies to block the site(s) on bacteria and their toxins or viruses that they use to enter their target cell. The effect of an neutralizing antibody can be ...

WordNet Word definitions in WordNet
n. 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 [syn: neutralization , neutralization reaction ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
neutralisation \neutralisation\ n. Same as neutralization . [Chiefly Brit.]