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


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.” Dictionary, Merriam-Webster, Accessed 12 Apr. 2024.

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