coulometer

noun

cou·​lo·​me·​ter kü-ˈlä-mə-tər How to pronounce coulometer (audio) ˈkü-lə-ˌmē-tər How to pronounce coulometer (audio)
: an instrument of chemical analysis that determines the amount of a substance released in electrolysis by measurement of the quantity of electricity used
coulometric adjective
coulometrically adverb
coulometry noun

Word History

Etymology

alteration of coulombmeter, from coulomb + -meter

First Known Use

circa 1889, in the meaning defined above

Time Traveler
The first known use of coulometer was circa 1889

Dictionary Entries Near coulometer

Cite this Entry

“Coulometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coulometer. Accessed 8 Dec. 2022.

Love words? Need even more definitions?

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


Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ