plural -s
: an alloy that contains about 50 percent iron, 36 percent nickel, and 12 percent chromium, that has low thermal expansivity and a modulus of elasticity virtually unaffected by changes in temperature, and that is used for springs for watches and other precise instruments

Word History


French élinvar, from élasticité invariable invariable elasticity

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Dictionary Entries Near elinvar

Cite this Entry

“Elinvar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/elinvar. Accessed 25 Apr. 2024.

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