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Definition of bronze for English Language Learners. : 1  a metal that is made by combining copper and tin. : 2  something (such as a statue) that is made of bronze. : 3  a yellowish-brown color.
Bronze is an alloy of copper and usually tin as the main additive that is much harder and more brittle than brass. The term âbronzeâ is sometimes used interchangeably for different types of copper alloys, but the most common typically refers to a mix of about 90% copper and 10% tin in its âpureâ form. Common additives to bronze include phosphorous to harden bronze and lead to make bronze more castable.