alloy

verb

al·​loy ə-ˈlȯi How to pronounce alloy (audio)
also
ˈa-ˌlȯi How to pronounce alloy (audio)
alloyed; alloying; alloys
Synonyms of alloynext

transitive verb

1
b
: to impair or debase by admixture
2
: to reduce the purity of by mixing with a less valuable metal
3
: to mix so as to form an alloy

intransitive verb

: to lend itself to being alloyed
iron alloys well

Examples of alloy in a Sentence

Recent Examples on the Web
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Keeping them stable under those conditions requires precise control over a nickel base alloyed with multiple elements, each with different physical and chemical properties, that must be uniformly melted, fused, and kept free of impurities. Deena Theresa, Interesting Engineering, 27 May 2026 Historically, major breakthroughs like watermills and windmills, alloying copper and tin to make bronze, gun powder, steam engines, powered multiple-spindle thread-spinning jennies, powered looms, telegraphs and light bulbs were developed in the private sector. Edward Lotterman, Twin Cities, 10 May 2026 My love for my dad was alloyed. Jack Denton, Vulture, 18 Mar. 2026 According to the researchers, the alloy’s composition may indicate deliberate alloying techniques, access to advanced metallurgical knowledge, or possible long-distance trade networks and specialized ore sources. Ryan Brennan, Kansas City Star, 13 Feb. 2026 See All Example Sentences for alloy

Word History

First Known Use

1625, in the meaning defined at sense 3

Time Traveler
The first known use of alloy was in 1625

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Cite this Entry

“Alloy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alloy. Accessed 10 Jun. 2026.

Kids Definition

alloy

1 of 2 noun
al·​loy ˈal-ˌȯi How to pronounce alloy (audio)
ə-ˈlȯi
: a substance consisting of two or more metals or of a metal and a nonmetal united usually by being melted together

alloy

2 of 2 verb
al·​loy ə-ˈlȯi How to pronounce alloy (audio)
ˈal-ˌȯi
1
: to reduce the purity of by mixing with a less valuable metal
2
: to mix so as to form an alloy
3
: to make worse by mixing with something else

Medical Definition

alloy

noun
1
: the degree of mixture with base metals
2
: a substance composed of two or more metals or of a metal and a nonmetal intimately united usually by being fused together and dissolving in each other when molten
also : the state of union of the components
alloy transitive verb

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