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Meaning of Invar in English

  1. Pronunciation

    /ˈɪnvɑr/

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  1. Noun

    Invar

    Etymology

    early 20th century: abbreviation of invariable

    Definitions

    1. an alloy of iron and nickel having a low coefficient of thermal expansion

    Examples

    • « used in tuning forks and measuring tapes and other instruments »

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