Webster's Revised Unabridged Dictionary · 1913

Metallurgy

Metallurgy , noun

[French métallurgie, from Latin metallum metal, Greek {not transcribed} a mine + the root of {not transcribed} work. See Metal, and Work.]

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.