• synonyms


[vol-tam-i-ter, vohl-]
  1. a device for measuring the quantity of electricity passing through a conductor by the amount of electrolytic decomposition it produces, or for measuring the strength of a current by the amount of such decomposition in a given time.
Show More

Origin of voltameter

1830–40; volta (see volt1) + -meter
Also called coulometer.
Related formsvol·ta·met·ric [vol-tuh-me-trik, vohl-] /ˌvɒl təˈmɛ trɪk, ˌvoʊl-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for voltameter

Historical Examples

  • The current, as calculated by the voltameter, corresponds to this reading.

    Scientific American Supplement No. 822


  • We may estimate the value of a voltameter at a hundred francs.

  • It remains for us to describe this voltameter itself, and to show the rendering of it.

  • The quantity of an ion liberated in a voltameter is proportional to the electro-chemical equivalent of the ion.

  • The electrochemical apparatus was a voltameter containing a definite compound to be electrolysed, or a voltaic cell or battery.

    Lord Kelvin

    Andrew Gray

British Dictionary definitions for voltameter


  1. another name for coulometer
Show More
Derived Formsvoltametric (ˌvɒltəˈmɛtrɪk), adjective
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