精神病學 jīngshénbìngxué psychiatry Origin Definitions Defs Strokes Stroke Words Sentences Sents 精神病 jīngshénbìng noun mental illness mental illness; psychosis; psychiatric disorder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