Invar

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Invar [ɪnˈvɑː]

(Engineering / Metallurgy)™ 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.

[shortened from invariable]

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Noun

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

trademark - a formally registered symbol identifying the manufacturer or distributor of a product

alloy, metal - a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; "brass is an alloy of zinc and copper"

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alloy metal			Highlighted products will include Invar waveguide, thin wall aluminum waveguide, and seamless flexible waveguide. A.T. WALL TO FEATURE WAVEGUIDE TUBING AT EUROPEAN CONFERENCE by Worldwide Telecom He dubbed the material an Invar alloy-because the metals are invariant when heated, such that the length of a piece of Invar metal does not change as its temperature is increased, as do normal metals. Scientists create non-expanding metal by Balochistan Times (Baluchistan Province, Pakistan) He dubbed the material an "Invar" alloy-because the metals are "invariant" when heated, such that the length of a piece of Invar metal does not change as its temperature is increased, as do normal metals. Scientists create nonexpanding metal using high pressure by Asian News International			invader invading invaginate invagination invalescence Invaletudinary invalid invalid car invalid chair invalid out invalidate invalidated invalidating invalidation invalidator Invalide invalidism invalidity invalidity benefit Invalidness Invalorous invaluable invaluableness Invaluably Invalued Invar Invariability invariable invariableness invariably invariance invariant invariant mass invasion invasion currency invasion of Iwo invasion of privacy invasive Invect Invected Invection invective Invectively inveigh inveigh against Inveigher inveigle Inveiglement Inveigler Inveil Invendibility			invalidism invalidism invalidism invalidism invalidity invalidity invalidity invalidity invalidity benefit invalidly invalidly invalidly invalidly invalidness invalids invalids invalids invalids invalidus Invalorous INVALSI invaluable invaluable invaluableness invaluableness invaluably invaluably Invalued Invanz INVAP Invar invariability invariability invariability invariable invariable invariable invariable invariable invariable behavior invariable line Invariable plane invariableness invariableness invariableness invariably invariably invariably invariance invariance invariance invariance principle invariance principles Invariances Invariances Invariances invariant invariant invariant Invariant basis number Invariant basis property

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Invar