機械學 jīxièxué mechanics Origin Definitions Defs Strokes Stroke Words Sentences Sents 机械 機械 jīxiè noun machinery; mechanical machine; machinery; mechanism; a collective term for mechanical tools and apparatus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