(ergative) to make something inactive or no longer effective / to prevent the action of a biochemical agent (such as an enzyme) / to remove a person or piece of hardware from active military service

Third-person singular simple present indicative form of deactivate

simple past tense and past participle of deactivate

plural of deactivator

Any device used to deactivate something. / A chamber filled with iron filings or other material used to remove excess oxygen or other substances from water.

The act of deactivating something, such as a bomb or alarm.

present participle of deactivate

plural of deactivation

(chemistry, physics) The amount of energy needed to slow down or stop a reaction.