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deactivate
[
dee-
ak
-t
uh
-veyt
]
Origin
de·ac·ti·vate
/
diˈæk
təˌveɪt
/
Show Spelled
[
dee-
ak
-t
uh
-veyt
]
Show IPA
verb,
de·ac·ti·vat·ed,
de·ac·ti·vat·ing.
verb (used with object)
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, especially by disconnecting, removing, or otherwise interfering with the action of the fuze.
4.
Chemistry
.
to render (a chemical, enzyme, catalyst, etc.) inactive.
verb (used without object)
5.
Physical Chemistry
.
to lose radioactivity.
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Deactivate
is always a great word to know.
So is
addition
. Does it mean:
So is
retort
. Does it mean:
So is
titanic
. Does it mean:
to produce or obtain one substance from another
a reaction in which two or more substances combine to form another compound
a vessel, commonly a glass bulb with a long neck bent downward, used for distilling or decomposing substances by heat
like or containing an alkali, which neutralize acids to form salts and turn red litmus paper blue, or having a pH value greater than 7
of or containing titanium, especially in the tetravalent state or three valence state
an atomic spatial arrangement that results from rotation of carbon atoms about single bonds within an organic molecule
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
Origin:
1900–05;
de-
+
activate
Related forms
de·ac·ti·va·tion,
noun
de·ac·ti·va·tor,
noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
|
Link To
deactivate
Collins
World English Dictionary
deactivate
(diːˈæktɪˌveɪt)
—
vb
1.
(
tr
) to make (a bomb, etc) harmless or inoperative
2.
(
intr
) to become less radioactive
3.
(
US
) (
tr
) to end the active status of (a military unit)
4.
chem
to return or cause to return from an activated state to a normal or ground state
deacti'vation
—
n
de'activator
—
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
Cite This Source
Etymonline
Word Origin & History
deactivate
1904, from
de-
+ activate (see
active
). Related: Deactivation (1904).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
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Deactivate
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Deactivate
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