牙科学 yákēxué dentistry Origin Definitions Defs Strokes Stroke Words Sentences Sents 牙科 yákē noun dentistry the branch of medicine that specializes in the diagnosis and treatment of diseases of the teeth and oral cavity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