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Invar

American

[in-vahr] / ɪnˈvɑr /

Trademark.

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

Invar British

/ ɪnˈvɑː /

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Invar

C20: shortened from _invariable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Invar

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

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

With shouts of triumph, Anak and Invar bounded down the slope.

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

"Who strikes my friend, strikes me!" cried Invar.

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

"Uglik is a mighty warrior," said Invar doubtfully.

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

Anak bounded up the slope, Invar at his heels.

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023