n.
1.a chemical reaction in which an acid and a base interact with the formation of a salt
2.(euphemism) the removal of a threat by killing or destroying it (especially in a covert operation or military operation)
3.action intended to keep a country politically neutral or exclude it from a possible war
4.action intended to nullify the effects of some previous action
Idiom of the Day
in the black
having a credit balance, making a profit
Our company has been in the black for over three years now.