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单词 deactivate
释义

WordReference Random House Learner's Dictionary of American English © 2024
de•ac•ti•vate /diˈæktəˌveɪt/USA pronunciation   v. [ ~ + obj], -vat•ed, -vat•ing. 
  1. to make inactive:to deactivate a chemical.
  2. 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 © 2024
de•ac•ti•vate  (dē ak′tə vāt′),USA pronunciation v., -vat•ed, -vat•ing. 
v.t. 
  1. to cause to be inactive;
    remove the effectiveness of.
  2. Militaryto demobilize or disband (a military unit).
  3. Militaryto render (a bomb, shell, or the like) inoperative, esp. by disconnecting, removing, or otherwise interfering with the action of the fuze.
  4. Chemistryto render (a chemical, enzyme, catalyst, etc.) inactive.

v.i. 
  1. Chemistry[Physical Chem.]to lose radioactivity.
  • de- + activate 1900–05
de•ac′ti•va′tion, n. 
de•ac′ti•va′tor, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
deactivate /diːˈæktɪˌveɪt/ vb
  1. (transitive) to make (a bomb, etc) harmless or inoperative
  2. (intransitive) to become less radioactive

deˈactiˌvator n
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更新时间：2025/7/23 19:18:30