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.
Also called Muntz metal.

Origin of alpha-beta brass

First recorded in 1915–20