desensitize

[dee-sen-si-tahyz]
verb (used with object), desensitized, desensitizing.
1.
to lessen the sensitiveness of.
2.
to make indifferent, unaware, or the like, in feeling.
3.
Photography. to make less sensitive or wholly insensitive to light, as the emulsion on a film.
4.
Printing. to treat (the design on a lithographic plate) with an etch in order to increase the capacity to retain moisture, and to remove traces of grease.
5.
Chemistry. to reduce the sensitivity of (an explosive) to those stimuli capable of detonating it.
Also, especially British, desensitise.


Origin:
1900–05; de- + sensitize

desensitizer, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
desensitize or desensitise (diːˈsɛnsɪˌtaɪz)
 
vb
1.  to render insensitive or less sensitive: the patient was desensitized to the allergen; to desensitize photographic film
2.  psychol to decrease the abnormal fear in (a person) of a situation or object, by exposing him to it either in reality or in his imagination
 
desensitise or desensitise
 
vb
 
desensiti'zation or desensitise
 
n
 
desensiti'sation or desensitise
 
n
 
de'sensitizer or desensitise
 
n
 
de'sensitiser or desensitise
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

desensitize
1904, from de- "do the opposite of" + sensitize. Originally of photography development; psychological sense is first recorded 1935.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

desensitize de·sen·si·tize (dē-sěn'sĭ-tīz')
v. de·sen·si·tized, de·sen·si·tiz·ing, de·sen·si·tiz·es

  1. To render insensitive or less sensitive, as a nerve or tooth.

  2. To make an individual nonreactive or insensitive to an antigen.

  3. To make a person emotionally insensitive or unresponsive, as by long exposure or repeated shocks.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
We must desensitize our kids to violence and video games are the way to do it.
Desensitize her to the excitement the leash creates.
But the people never move on their own, so it's unrealistic enough that it's
  not likely to traumatize or desensitize anyone.
It's elementary psychology that ubiquitous warnings desensitize people.
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