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habituation

[huh-bich-oo-ey-shuh n] /həˌbɪtʃ uˈeɪ ʃən/
noun
1.
the act of habituating.
2.
the condition of being habituated.
3.
physiological tolerance to or psychological dependence on a drug, short of addiction.
4.
reduction of psychological or behavioral response occurring when a specific stimulus occurs repeatedly.
Origin
1400-1450
1400-50; late Middle English. See habituate, -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for habituations

habituation

n.

mid-15c., from Medieval Latin habituationem, noun of action from habituare (see habituate (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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habituations in Medicine

habituation ha·bit·u·a·tion (hə-bĭch'ōō-ā'shən)
n.

  1. The process of habituating or the state of being habituated.

  2. Physiological tolerance to a drug resulting from repeated use.

  3. Psychological dependence on a drug.

  4. The decline of a conditioned response following repeated exposure to the conditioned stimulus.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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habituations in Science
habituation
  (hə-bĭch'-ā'shən)   
  1. The gradual decline of a response to a stimulus resulting from repeated exposure to the stimulus.

  2. Physiological tolerance for a drug resulting from repeated use.

  3. Psychological dependence on a drug resulting from repeated use.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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