[ koo-lom-i-ter, kuh- ]


Origin of coulometer

First recorded in 1900–05; coulo(mb) + -meter
  • Also cou·lomb·me·ter [koo-lom-mee-ter, -lohm-]. /ˈku lɒmˌmi tər, -loʊm-/.

Words Nearby coulometer Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for coulometer


coulombmeter (ˈkuːlɒmˌmiːtə)

/ (kuːˈlɒmɪtə) /

  1. an electrolytic cell for measuring the magnitude of an electric charge by determining the total amount of decomposition resulting from the passage of the charge through the cell: Also called: voltameter

Origin of coulometer

C19: from coulomb + meter ³

Derived forms of coulometer

  • coulometric (ˌkuːləˈmɛtrɪk), adjective
  • coulometry, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for coulometer


[ kōō-lŏmĭ-tər, kōōlə-mē′tər ]

  1. A device for determining the amount of a substance released during electrolysis by measuring the electrical charge that results from the electrolysis. Coulometers can be used to detect and measure trace amounts of substances such as water.

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