| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024de•ac•ti•vate /diˈæktəˌveɪt/USA pronunciation v. [ ~ + obj], -vat•ed, -vat•ing. - to make inactive:to deactivate a chemical.
- Militaryto disband or break up (a military unit).
de•ac•ti•va•tion /diˌæktəˈveɪʃən/USA pronunciation n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2024de•ac•ti•vate (dē ak′tə vāt′),USA pronunciation v., -vat•ed, -vat•ing. v.t. - to cause to be inactive;
remove the effectiveness of. - Militaryto demobilize or disband (a military unit).
- Militaryto render (a bomb, shell, or the like) inoperative, esp. by disconnecting, removing, or otherwise interfering with the action of the fuze.
- Chemistryto render (a chemical, enzyme, catalyst, etc.) inactive.
v.i. - Chemistry[Physical Chem.]to lose radioactivity.
de•ac′ti•va′tion, n. de•ac′ti•va′tor, n. |