coulometer

1 of 2

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
ˌkü-lə-ˈme-trik How to pronounce coulometer (audio)
adjective
coulometrically
ˌkü-lə-ˈme-tri-k(ə-)lē How to pronounce coulometer (audio)
adverb
coulometry
kü-ˈlä-mə-trē How to pronounce coulometer (audio)
noun

coulometric

2 of 2

adjective

cou·​lo·​met·​ric ¦kü-lə-¦me-trik How to pronounce coulometric (audio)
: of or relating to coulometry
coulometrically
¦kü-lə-¦me-tri-k(ə-)lē How to pronounce coulometric (audio)
adverb

Word History

Etymology

Noun

alteration of coulombmeter, from coulomb + -meter

First Known Use

Noun

circa 1889, in the meaning defined above

Time Traveler
The first known use of coulometer was circa 1889

Rhymes for coulometer

See All Rhymes for coulometer

Browse Nearby Words

coulombmeter
coulometer
coulometric
See all Nearby Words

Cite this Entry

“Coulometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coulometer. Accessed 8 Jul. 2026.

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