met·al·lur·gy /ˈmɛtḷˌɚ/
冶金,冶金術
Met·al·lur·gy n. The art of working metals, comprehending the whole process of separating them from other matters in the ore, smelting, refining, and parting them; sometimes, in a narrower sense, only the process of extracting metals from their ores.
◄ ►
metallurgy
n : the science and technology of metals