Manganese bronze is an alloy that is typically composed of copper, manganese, and zinc. This material is commonly used in marine environments due to its high strength and corrosion resistance. However, there are several other synonyms that describe this type of bronze alloy. Some of these include high-strength yellow brass, naval bronze, and manganese brass. These synonyms are commonly used interchangeably to describe the same type of material, but their specific compositions may vary slightly. Overall, manganese bronze is a highly versatile and durable material that is suitable for a wide range of industrial and commercial applications.