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de•ac•ti•vate

Pronunciation: (dē-ak'tu-vāt"), [key]
—v., -vat•ed, -vat•ing.

—v.t.
1. to cause to be inactive; remove the effectiveness of.
2. to demobilize or disband (a military unit).
3. to render (a bomb, shell, or the like) inoperative, esp. by disconnecting, removing, or otherwise interfering with the action of the fuze.
4. Chem.to render (a chemical, enzyme, catalyst, etc.) inactive.

—v.i.
Physical Chem.to lose radioactivity.

de-acquisition

dead

See also:

deactivate (Thesaurus)

Dictionary

de•ac•ti•vate

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