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deactivator
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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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00:10
Deactivator
is always a great word to know.
So is
quincunx
. Does it mean:
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slumgullion
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callithumpian
. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a gadget; dingus; thingumbob.
a stew of meat, vegetables, potatoes, etc.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a scrap or morsel of food left at a meal.
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. 2013.
Cite This Source
|
Link To
deactivator
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
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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