传染病学 chuánrǎnbìngxué infectiology Definitions Defs Origin Strokes Stroke Words Sentences Sents 传染病 傳染病 chuánrǎnbìng noun infectious disease infectious disease; contagious or communicable disease caused by pathogens such as bacteria or viruses学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science