alpha-beta brass

[ al-fuh-bey-tuh, -bee- ]
/ ˈæl fəˈbeɪ tə, -ˈbi- /

noun

an alloy of from 55 to 61 percent copper with from 39 to 45 percent zinc.

Origin of alpha-beta brass

First recorded in 1915–20
Also called Muntz metal.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019