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单词 invar
释义

Invar

[ 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.

Words nearby Invar

invalidate, invalidism, invalidity, invalidity benefit, invaluable, Invar, invariable, invariably, invariance, invariant, invariant mass
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for Invar

British Dictionary definitions for Invar

Invar
/ (ɪnˈvɑː) /

noun

trademark 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

Word Origin for Invar

C20: shortened from invariable
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
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