stressor

noun stress·or \ˈstre-sər, -ˌsȯr\

: something that makes you worried or anxious : a source of stress

Full Definition of STRESSOR

: a stimulus that causes stress

See stressor defined for English-language learners

1950

Medical Dictionary

noun stress·or \ˈstres-ər, -ˌȯ(ə)r\

: a stimulus that causes stress <psychological stressors>

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