Dictionary.com
definitions
  • synonyms

constantan

[kawn-stuh n-tan]
See more synonyms on Thesaurus.com
noun
  1. an alloy containing approximately 55 percent copper and approximately 45 percent nickel, used for electrical resistance heating and thermocouples.

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

constantan

noun
  1. 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

Word Origin

C20: formed from constant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012