- a brand of iron alloy containing 35.5 percent nickel and having a very low coefficient of expansion at atmospheric temperatures.
Examples from the Web for invar
Historical Examples of invar
Invar will be honored if his friend will eat of the liver of his kill.
Anak hurled Invar's spear and again his weapon found its mark.
"I thank you for coming with me," he said, his hand on Invar's shoulder.
With shouts of triumph, Anak and Invar bounded down the slope.
Invar threw his shoulder against a huge boulder on the slope.
- 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