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alloy

n. · v.
US //ˈæˌɫɔɪ// al·loy
  1. 1 metal mixture (n.)
    B2 Upper Intermediate Technical Science

    a metal made by mixing two or more types of metal together to make it stronger or better.

    a metallic substance composed of two or more elements, typically to enhance properties such as strength, corrosion resistance, or conductivity.

    Example

    Brass is a common alloy made by mixing copper and zinc.

    Example

    The aerospace industry relies on titanium alloys because they offer an exceptional strength-to-weight ratio and can withstand extreme temperatures.

  2. 2 a combination of things (n.)
    C1 Advanced Literary

    a mix of different things, qualities, or feelings.

    a mixture or fusion of different non-physical elements, such as emotions or ideas.

    Example

    The book was a strange alloy of adventure and philosophy.

    Example

    Her happiness was a complex alloy of relief that the ordeal was over and sadness for those left behind.

    Teacher's tip

    This figurative use is mostly found in formal literature and may sound overly poetic in everyday conversation.

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  1. 3 to mix metals (v.)
    C1 Advanced Technical Science

    to mix one metal with another.

    to combine different metals or elements to form an alloy.

    Example

    The factory alloys aluminum with magnesium to create car parts.

    Example

    By alloying the base metal with chromium, the manufacturer significantly improved the durability of the final product.

  2. 4 to spoil or weaken (v.)
    C2 Proficiency Literary Archaic

    to make something less pure or less good by adding something else to it.

    to debase, impair, or reduce the purity of something by adding an inferior substance or quality.

    Example

    His joy was alloyed by the thought of the work he still had to do.

    Example

    The victory was alloyed by the heavy casualties sustained during the final assault, leaving the commander in a somber mood.

    Usage

    Commonly used in the passive voice or as a past participle to describe feelings.

Etymology 1

Borrowed from Middle French alloy, aloy, from Old French aloi, from aloiier, from Latin alligō.

Etymology 2

Modification of Middle English alayen after Etymology 1, from Middle French allayer, vairant of allier, from Old French allier (“assemble, join”), from Latin alligare (“bind to, tie to”), compound of ad (“to”) + ligare (“to bind”).

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