metallurgy

n. 1 science of metals and their application. 2 extraction and purification of metals. metallurgic adj. Metallurgical adj. Metallurgist n. [greek metallon *metal, -ourgia working]

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.