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Invar
noun
Definitions
Noun
- 1 An alloy of iron containing 35.5% nickel, and having a very low coefficient of expansion. countable, uncountable
- 2 an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments wordnet
Etymology
Shortening of invariable.
See also for "invar"
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Unscramble this word: invar