stressor

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English[edit]

Etymology[edit]

From stress +‎ -or.

Noun[edit]

stressor (plural stressors)

  1. (psychology, biology) An environmental condition or influence that stresses (i.e. causes stress for) an organism.
    • 2011, Steven Pinker, The Better Angels of Our Nature, Penguin 2012, p. 670:
      These paradoxical pleasures [...] are acquired by controlling one's exposure to the stressor in gradually increasing doses.