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English definition of “alloy”

alloy

noun [C or U] uk   /ˈæl.ɔɪ/ us  
a metal that is made by mixing two or more metals, or a metal and another substance: Brass is an alloy of copper and zinc. alloy wheels

alloy

verb [T] uk   /əˈlɔɪ/ literary us  
to spoil something or reduce it in value: My pleasure in receiving the letter was somewhat alloyed by its contents.
(Definition of alloy from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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