Definition of alloy in English:


Syllabification: al·loy


Pronunciation: /ˈaˌloi
  • 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 flat pieces of alloy [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: /ˈaˌloi, əˈloi
[with object] Back to top  
  • 1Mix (metals) to make an alloy: alloying tin with copper to make bronze
    More example sentences
    • Gold is also alloyed with other metals to create different colors of gold.
    • It is such a soft and pliable metal that it needs to be alloyed with other metals, into brass or bronze, before it can be used for a structural purpose.
    • Palladium is generally alloyed with other precious metals, such as gold and silver, as well as with copper.
  • 1.1Debase (something) by adding something inferior.
    More example sentences
    • The rhapsodic pleasures of her earlier work are alloyed here by a distinctive moral register, a pang of loss and imminent threat.
    • Jenner's discovery was a touch-stone, to detect what proportion of selfishness alloyed the human heart.
    • The teenage victor of strenuous battles against the most formidable and seasoned of opponents, his ferocious gifts were alloyed with a beguiling sensitivity to all things poetical.


late 16th century: from Old French aloi (noun) and French aloyer (verb), both from Old French aloier, aleier 'combine', from Latin alligare 'bind'.

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