alloy

American  

[al-oi, uh-loi, uh-loi] / ˈæl ɔɪ, əˈlɔɪ, əˈlɔɪ /

noun

1. a substance composed of two or more metals, or of a metal or metals with a nonmetal, intimately mixed, as by fusion or electrodeposition.

2. a less costly metal mixed with a more valuable one.

3. standard; quality; fineness.

4. admixture, as of good with evil.

   Synonyms:

   composite, blend, fusion

5. anything added that serves to reduce quality or purity.

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verb (used with object)

1. to mix (metals or metal with nonmetal) so as to form an alloy.

2. to reduce in value by an admixture of a less costly metal.

3. to debase, impair, or reduce by admixture; adulterate.

alloy British  

noun

1. a metallic material, such as steel, brass, or bronze, consisting of a mixture of two or more metals or of metallic elements with nonmetallic elements. Alloys often have physical properties markedly different from those of the pure metals

2. something that impairs the quality or reduces the value of the thing to which it is added

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verb

1. to add (one metal or element to another metal or element) to obtain a substance with a desired property

2. to debase (a pure substance) by mixing with an inferior element

3. to diminish or impair

alloy Scientific  

/ ăl′oi′ /

1. A metallic substance made by mixing and fusing two or more metals, or a metal and a nonmetal, to obtain desirable qualities such as hardness, lightness, and strength. Brass, bronze, and steel are all alloys.

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alloy Cultural  

1. A material made of two or more metals, or of a metal and another material. For example, brass is an alloy of copper and zinc; steel is an alloy of iron and carbon. Alloys often have unexpected characteristics. In the examples given above, brass is stronger than either copper or zinc, and steel is stronger than either iron or carbon.

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Other Word Forms

• unalloyed adjective

Etymology

Origin of alloy

First recorded in 1590–1600; from Middle French aloi, Old French alei, noun derivative of aleier “to combine,” from Latin alligāre “to bind up,” equivalent to al- “toward” ( al- ) + ligāre “to bind” ( ally, ligament ); replacing earlier allay, Middle English, from Anglo-French allai

Example Sentences

The company said it is focusing on the alloy composition of the aluminum and lubricants as a possible cause of the first fire.

From The Wall Street Journal

Although platinum is more expensive than silver per ounce, Pandora says it will create an alloy, which would make it cheaper to use.

From BBC

Scandium is used to make light, strong aluminium-based alloys prized in aerospace -- and also in high-end sports gear such as golf clubs, bicycles and baseball bats.

From Barron's

Waterbury, a city of 115,000 in west central Connecticut, was long known as “Brass City” for its factories that made everything from lipstick holders to parts of Hoover Dam from the yellowish alloy.

From The Wall Street Journal

Currently hosting 19×8.5-inch alloys, the wheel arches are spacious enough to accommodate more heroic wheels and tires.

From The Wall Street Journal