Invar

American  

[in-vahr] / ɪnˈvɑr /

Trademark.

1. a brand of iron alloy containing 35.5 percent nickel and having a very low coefficient of expansion at atmospheric temperatures.

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Invar British  

/ ɪnˈvɑː /

noun

1. 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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Etymology

Origin of Invar

C20: shortened from _invariable

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Example Sentences

See Examples For:

Invar

She strove to rise to her feet, but Una had her orders from Invar.

From B. C. 30,000 by S. P. (Sterner St. Paul) Meek

"Invar will be honored if his friend will eat of the liver of his kill."

From B. C. 30,000 by S. P. (Sterner St. Paul) Meek

"Una!" cried Invar and Anak in one voice.

From B. C. 30,000 by S. P. (Sterner St. Paul) Meek

Invar hurled a throwing-stone which found the monster's face and made him pause.

From B. C. 30,000 by S. P. (Sterner St. Paul) Meek

Anak and Invar walked slowly up to the cave where Una waited.

From B. C. 30,000 by S. P. (Sterner St. Paul) Meek

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