Stressor

noun

Definitions

Noun
  1. 1
    An environmental condition or influence that stresses (i.e. causes stress for) an organism.

    "These children are constitutionally sad. Other children, like Luke, develop depressive feelings out of the blue or in response to some mild stressor."

  2. 2
    any agent that causes stress to an organism wordnet

Etymology

From stress + -or.

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