1. The science that deals with procedures used in extracting metals from their ores, purifying and alloying metals, and creating useful objects from metals.
2. The study of metals and their properties in bulk and at the atomic level.
[New Latin metallūrgia, from Greek metallourgos, miner, worker in metals : metallon, a mine, metal + -ourgos, -worker (from ergon, work; see werg- in the Appendix of Indo-European roots).]
met′al·lurgic, met′al·lurgi·cal adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.