Noun(1) a chemical reaction in which an acid and a base interact with the formation of a salt(2) with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water(3) action intended to keep a country politically neutral or exclude it from a possible war(4) (euphemism) the removal of a threat by killing or destroying it (especially in a covert operation or military operation)(5) action intended to nullify the effects of some previous action
Noun(1) a chemical reaction in which an acid and a base interact with the formation of a salt(2) with strong acids and bases the essential reaction is the combination of hydrogen ions with hydroxyl ions to form water(3) action intended to keep a country politically neutral or exclude it from a possible war(4) (euphemism) the removal of a threat by killing or destroying it (especially in a covert operation or military operation)(5) action intended to nullify the effects of some previous action