manganese bronze

n.

1.

A brass alloy having from 1 to 4 percent of manganese added to harden it; made by adding manganese to the copper and zinc used in brass.

Noun

1.

manganese bronze - a brass with from 1-4% manganese to harden it Synonyms: high-strength brass

alpha-beta brass, high-strength brass, Muntz metal, yellow metal