constantan

noun
con·​stan·​tan | \ ˈkän(t)-stən-ˌtan How to pronounce constantan (audio) \

Definition of constantan

: an alloy of copper and nickel used especially for electrical resistors and in thermocouples

First Known Use of constantan

1903, in the meaning defined above

History and Etymology for constantan

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

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The first known use of constantan was in 1903

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