verb (used with object), neu·tral·ized, neu·tral·iz·ing.
- to make neutral; cause to undergo neutralization.
- to make (something) ineffective; counteract; nullify: carelessness that neutralized our efforts.
- Military. to put out of action or make incapable of action: to neutralize an enemy position.
- to declare neutral; invest with neutrality in order to exempt from involvement during a war: to neutralize a city to prevent bombing.
- to add an acid to a basic solution or a base to an acidic solution until the resulting solution is chemically neutral (pH = 7).
- Electricity. to render electrically or magnetically neutral.
verb (used without object), neu·tral·ized, neu·tral·iz·ing.
- to become neutral or neutralized; undergo neutralization: With this additive the solution begins to neutralize.
verb (mainly tr)
- (also intr) to render or become ineffective or neutral by counteracting, mixing, etc; nullify
- (also intr) to make or become electrically or chemically neutral
- to exclude (a country) from the sphere of warfare or alliances by international agreementthe great powers neutralized Belgium in the 19th century
- to render (an army) incapable of further military action
v.1734, “to render neutral” (in a chemical sense), from French neutraliser (17c.), from neutral (see neutral (adj.)). Meaning “to counterbalance, to kill by opposing” is from 1795. Related: Neutralized; neutralizing.
- To cause an acidic solution to become neutral by adding a base to it or to cause a basic solution to become neutral by adding an acid to it. Salt and water are usually formed in the process.