Daily Almanac for
Nov 30, 2009
Search: Infoplease Info search tips
Search: Biographies Bio search tips

Dictionary


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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

de-acquisitiondead
    • Cite
    • Print
    • Bookmark
See also:

 

Related Content