卫生学 wèishēngxué hygiene Origin Definitions Defs Strokes Stroke Words Sentences Sents 卫生 衛生 wèishēng noun hygiene hygiene; sanitation; health; (bound form) the act of protecting one's health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