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al·loy

alloy

 
 
pronunciation:
ae loI
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part of speech: noun
definition: If people mix one type of metal with another type of metal, they make an "alloy." An alloy is a substance made by mixing two or more metals together. If people mix one type of metal with some other kind of substance, the new substance is also called an "alloy."
Brass is the kind of metal that trumpets and tubas are made out of. This metal is an alloy of zinc and copper. That means that it is made by combining zinc with copper. These two metals are melted and mixed together to make the brass for these instruments and other things.
similar words:
combination, composition, compound, mix, mixture
derivation: alloyed (adj.)
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