Definition of Invar

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

Language type: Trademark
Generic synonyms: Alloy, Metal

Definition of Invar

1. Noun. an alloy of iron containing 35.5% nickel, and having a very low coefficient of expansion. ¹

¹ Source: wiktionary.com

Definition of Invar

1. an iron-nickel alloy [n -S]

Lexicographical Neighbors of Invar

invalidators
invalided
invalidhood
invaliding
invalidism
invalidisms
invalidities
invalidity
invalidly
invalidness
invalids
invalorous
invaluable
invaluableness
invaluably
invar (current term)
invariabilities
invariability
invariable
invariableness
invariables
invariably
invariance
invariances
invariant
invariant chain
invariant noun
invariant nouns
invariant section
invariant sections

Literary usage of Invar

Below you will find example usage of this term as found in modern and/or classical literature:

1. Geodetic Surveying and the Adjustment of Observations (method of Least Squares) by Edward Lovering Ingram (1911)
"invar Tapes. By alloying steel with about 35 per cent of nickel a material is produced ... Tapes made of invar have proven extremely satisfactory for ..."

2. Geodetic Surveying and the Adjustment of Observations (methods of Least Squares) by Edward Lovering Ingram (1911)
"invar Tapes. By alloying steel with about 35 per cent of nickel a material is ... Tapes made of invar have proven extremely satisfactory for the accurate ..."

3. Geodetic Surveying by Edward Richard Cary (1916)
"The US Coast and Geodetic Survey now uses the invar Tape exclusively for the measurement of ... This error is reduced very much by the use of invar tapes. ..."

4. Geodesy: Including Astronomical Observations, Gravity Measurements, and by George Leonard Hosmer (1919)
"invar Tapes. In 1906 the Coast Survey made a series of tests on six primary base-lines, using the ordinary steel tapes and also several new 50- meter tapes ..."

5. Report of the Royal Ontario Nickel Commission: With Appendix by Ontario Royal Nickel Commission, George Thomas Holloway (1917)
"... and a large range of electrical resistance for use in general electrical and electric furnace work:—• invar " invar " contains about 36 per cent, ..."

6. Proceedings by American Society of Civil Engineers (1907)
"determined with the invar tapes. Column 19 gives the residuals for the various measures of the sections, not combining the invar and steel results. ..."

7. The Metallography of Steel and Cast Iron by Henry Marion Howe (1916)
"Evidence Given by invar.—A further suggestion that these X bands do not represent twinned layers, formed along the slip planes simultaneously with the ..."

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