植物病理学 zhíwùbìnglǐxué phytopathology Origin Definitions Defs Strokes Stroke Words Sentences Sents 植物 zhíwù noun plant plant; flora; vegetation病理学 病理學 bìnglǐxué pathology The branch of medical science that studies the causes, nature, and effects of diseases, specifically the structural and functional changes they cause.