Meaning Of The Word Invar

Real Dictionary

What's the definition of Invar? Find Invar meanings, definitions and more at the Real Dictionary online.

Invar Meaning

Invar Definition
Invar Definition

What's The Definition Of Invar?

Invar in American English
a steel alloy containing approximately 36% nickel, used for making precision instruments and thermostatic elements because of its low coefficient of thermal expansion
this substance
noun: a brand of iron alloy containing 35.5 percent nickel and having a very low coefficient of expansion at atmospheric temperatures

Invar in British English
noun: an alloy containing iron (63.8 per cent), nickel (36 per cent), and carbon (0.2 per cent). It has a very low coefficient of expansion and is used for the balance springs of watches, etc

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