Invar

trademark
In·​var | \ ˈin-ˌvär How to pronounce Invar (audio) \

Definition of Invar

used for an alloy of iron and nickel that does not expand much when heated

More from Merriam-Webster on Invar

Rhyming Dictionary: Words that rhyme with Invar

Britannica.com: Encyclopedia article about Invar

Comments on Invar

What made you want to look up Invar? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

recurring in steady succession

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!