Link Centre Dictionary

Invar

in·var

uncommon

noun

1.

an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments

Origin

Shortening of invariable.

Related words

Word family

Broader terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.