应激源 yìngjīyuán stressor Origin Definitions Defs Strokes Stroke Words Sentences Sents 应激 應激 yìngjī stress stress; a biological or psychological response to external or internal pressure, often used as an abbreviation for 应激反应 yìngjīfǎnyìng源 yuán noun origin (bound form) root; origin; the starting cause or basis of something