লোহা ও নিকেল তাপ বিস্তার কম সহগ থাকার একটি খাদ; টিউনিং কাটাচামচ এবং পরিমাপ টেপ এবং অন্যান্য যন্ত্র ব্যবহার করা

invar's Usage Examples:

invar.

Guillaume is known for his discovery of nickel-steel alloys he named invar and elinvar.

pendulum rods in the highest precision clocks and other instruments, first invar, a nickel steel alloy, and later fused quartz, which made temperature compensation.

measuring rod, which was used to calibrate 24-meter long invar-wire.

Standard baselines length is invar-wire multiplied by 36, which is 864 meters.

Charles Édouard Guillaume won a Nobel prize for the 1896 invention of Invar, a nickel steel alloy with very low thermal expansion, and Elinvar (Elasticité.

invar's Meaning':

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

Synonyms:

alloy; metal;

Antonyms:

purity; nonmetallic;