manganese bronze

American  

noun

1. an alloy that is about 55 percent copper, 40 percent zinc, and up to 3.5 percent manganese.

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manganese bronze British  

noun

1. any of various alloys containing copper (55–60 per cent), zinc (35–42 per cent), and manganese (about 3.5 per cent)

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Etymology

Origin of manganese bronze

First recorded in 1830–40

Example Sentences

Replicating the manganese bronze valve might cost $1 million and take years.

From New York Times • Jul. 23, 2014

In other respects manganese bronze is a very fast colour.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

The propeller-blades of large steamships are usually made of manganese bronze.

From Commercial Geography A Book for High Schools, Commercial Courses, and Business Colleges by Redway, Jacques W. (Jacques Wardlaw)

To the bottom of each, Frank had riveted a thin "keel" of manganese bronze with a heavy fin of lead affixed to it.

From The Boy Aviators' Treasure Quest by Goldfrap, John Henry

To the ribs were riveted the plates, which are of manganese bronze, which is a kind of refined brass, only three-sixteenths of an inch thick, and the upper two streaks are of aluminium.

From Harper's Round Table, September 17, 1895 by Various