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.

Example sentences from the Web for invar

At last Invar stepped forward and grasped one of them by the arm.

B. C. 30,000 |Sterner St. Paul Meek
Pendulums have been constructed of new materials, such as invar, fused silica, and fused quartz.

Smithsonian Institution - United States National Museum - Bulletin 240 |Anonymous
Invar threw his shoulder against a huge boulder on the slope.

B. C. 30,000 |Sterner St. Paul Meek
Anak had not thrown his spear, and Invar, who stood beside his hero, had likewise retained his weapon.

B. C. 30,000 |Sterner St. Paul Meek

Invar raised a rock high above his head with both hands and cast it at her.

B. C. 30,000 |Sterner St. Paul Meek

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

BROWSE DICTIONARY

Learning

Invar

Trademark.

Example sentences from the Web for invar

British Dictionary definitions for invar

noun

Word Origin for Invar