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desensitize

[dee-sen-si-tahyz] /diˈsɛn sɪˌtaɪz/
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
1900-1905
1900-05; de- + sensitize
Related forms
desensitizer, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for desensitizer

desensitize

/diːˈsɛnsɪˌtaɪz/
verb (transitive)
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
Derived Forms
desensitization, desensitisation, noun
desensitizer, desensitiser, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for desensitizer

desensitize

v.

1904; see de- "do the opposite of" + sensitize. Originally of photography development; psychological sense is first recorded 1935. Related: Desensitized; desensitizing.

Online Etymology Dictionary, © 2010 Douglas Harper
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desensitizer in Medicine

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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