constantan [kawn -stuh n-tan]
Word Origin
an alloy containing approximately 55 percent copper and approximately 45 percent nickel, used for electrical resistance heating and thermocouples. Show More
Origin of constantan First recorded in
1900–05; constant +
-an Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for constantan an alloy of copper (60 per cent) and nickel (40 per cent). It has a high resistivity that does not vary significantly with temperature and is used in resistors and, with copper, in thermocouples Show More
Word Origin for constantan C20: formed from constant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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