coulometer

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noun

a device, used in coulometry, to determine the amount of substance released during electrolysis.

OriginAncient Greek μέτρον (métron) ← Proto-Indo-European *meh₁- ← English coulomb →
Scrabble 14
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Meanings

nouncoulometer (plural coulometers)

plural coulometers

  1. chemistrya device, used in coulometry, to determine the amount of substance released during electrolysis.

Origin

  1. Englishcoulomb
  2. Proto-Indo-European*med-
  3. Proto-Indo-European*meh₁-
  4. Ancient Greekμέτρον (métron)
  5. Englishcoulometer

From coulomb + -meter.

Full word history & related roots →

Rhymes & wordplay

Anagrams

oculometer
Cite this entry
APA

coulometer. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/coulometer

MLA

“coulometer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/coulometer. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “coulometer,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/coulometer.

Source: coulometer on Wiktionary, CC BY-SA 4.0.