Metallurgical
/ˌmɛtəˈlɜː(ɹ)dʒɪkəl/
"Metallurgical" in a Sentence (2 examples)
A single hopper-style rail car contains an amount of metallurgical coal sufficient to smelt the steel used to manufacture three hundred automobiles.
Mining is bound to become a still stronger factor in civilization as metallurgical processes multiply and there are discovered means of more economically extracting the valuable contents of ores.