con·​stan·​tan ˈkän(t)-stən-ˌtan How to pronounce constantan (audio)
: an alloy of copper and nickel used especially for electrical resistors and in thermocouples

Word History


from the fact that its resistance remains constant under change of temperature

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of constantan was in 1903

Dictionary Entries Near constantan

Cite this Entry

“Constantan.” Dictionary, Merriam-Webster, Accessed 27 Sep. 2023.

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