constantan

noun
con·stan·tan | \ˈkän(t)-stən-ˌtan \

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

Keep scrolling for more

Learn More about constantan

Share constantan

Statistics for constantan

Look-up Popularity

Time Traveler for constantan

The first known use of constantan was in 1903

See more words from the same year

More from Merriam-Webster on constantan

Britannica.com: Encyclopedia article about constantan

Comments on constantan

What made you want to look up constantan? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

required by fashion, etiquette, or custom

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!