in-activate

in·ac·ti·vate

[in-ak-tuh-veyt]
verb (used with object), in·ac·ti·vat·ed, in·ac·ti·vat·ing.
1.
to make inactive: The bomb was inactivated.
2.
Immunology. to stop the activity of (certain biological substances).

Origin:
1905–10; inactive + -ate1

in·ac·ti·va·tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
inactivate (ɪnˈæktɪˌveɪt) [Click for IPA pronunciation guide]
 
vb
(tr) to render inactive
 
inacti'vation
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
In-activate is always a great word to know.
So is quincunx. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
American Heritage
Medical Dictionary

inactivate in·ac·ti·vate (ĭn-āk'tə-vāt')
v. in·ac·ti·vat·ed, in·ac·ti·vat·ing, in·ac·ti·vates

  1. To render nonfunctional.

  2. To make quiescent.


in·ac'ti·va'tion n.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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