constantann.
/ˈkɒnstəntan/ An alloy of copper and nickel, used for electric resistors, thermocouples, etc. Also attributive.
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constantan1903
thermistor1940
1903 in Whittaker's Electr. Engineer's Pocket Bk. 164.
1913 Rep. Brit. Assoc. Advancem. Sci. 1912 570 The thermo~electric force generated by the constantan discs.
1934 Discovery Apr. 114/1 A thermo-couple made of copper and constantan was installed in the nest.
1947 Sci. News 4 146 With constantan, temperatures of the order of 500° C. to 1,000° C. are reached.
This entry has not yet been fully updated (first published 1972; most recently modified version published online September 2018).
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