冶金学 yějīnxué metallurgy Definitions Defs Origin Strokes Stroke Words Sentences Sents 冶金 yějīn metallurgy the science and technology of extracting metals from their ores and of modifying the properties of metals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
