Definition of alloy in English:


Line breaks: alloy


Pronunciation: /ˈalɔɪ
  • 1A metal made by combining two or more metallic elements, especially to give greater strength or resistance to corrosion: an alloy of nickel, bronze, and zinc [as modifier]: alloy wheels
    More example sentences
    • The aluminum alloy combines the properties of machinability, corrosion resistance, strength and brazeability.
    • Nickel-base alloys offer excellent corrosion resistance to a wide range of corrosive media.
    • Produced from a combination of polymers and metallic alloys, it is highly corrosion resistant and almost maintenance free.
  • 1.1An inferior metal mixed with a precious one.
    More example sentences
    • The quality of the boxes themselves also suffered as material became scarce - a consignment of brass was lost with the Lusitania, and as brass was needed for the direct war effort, later boxes were of inferior alloy.
    • Boldly, I walked up to the mixed alloy gate; its rough battered surface longed for happier days.
    • The precious metals could be extracted by stirring the molten alloy with molten lead: gold and silver dissolved in the lead while copper did not.


Pronunciation: /əˈlɔɪ
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late 16th century: from Old French aloi (noun) and French aloyer (verb), both from Old French aloier, aleier 'combine', from Latin alligare 'bind'. In early use the term denoted the comparative purity of gold or silver; the sense 'mixture of metals' arose in the mid 17th century.

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