volt·​me·​ter | \ ˈvōlt-ˌmē-tər How to pronounce voltmeter (audio) \

Definition of voltmeter

: an instrument (such as a galvanometer) for measuring in volts the differences in potential between different points of an electrical circuit

Examples of voltmeter in a Sentence

Recent Examples on the Web Test the wires with the voltmeter to triple-check voltage levels. Sara Rodrigues, House Beautiful, "How to Install a Dimmer Switch (Safely!)," 27 July 2020 When something did not work, Dad would pull out his voltmeter with confidence. Hillary Mullan, BostonGlobe.com, "My childhood seizures could have been terrifying, but my dad made it OK," 14 June 2019 The pocket oscilloscope, the Raspberry Pi radio, the voice changer, the mini voltmeter, and an LED glove. Eric Johnson, Recode, "Making things is now a global movement. But is the U.S. making enough?," 27 Aug. 2018 Use a test light or voltmeter to make sure the battery is alive; if not, hook it up to an external charger to ensure the brakes are in working order. Mike Allen, Popular Mechanics, "How to Tow a Trailer," 6 Jan. 2017 The following day, Mr. Negrón and his daughter and son-in-law headed to a Home Depot in Mayagüez, down the coast, to buy a voltmeter to test the device and to look for another generator. Arian Campo-flores, WSJ, "A Daughter’s Mission: Rescuing Elderly Parents Stranded in Puerto Rico," 13 Oct. 2017 P.S. How come a device for measuring temperature is a thermometer and a device for measuring electric potential is a voltmeter? Rhett Allain, WIRED, "What the HECK is that? Number 3.," 3 Sep. 2010

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'voltmeter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of voltmeter

1869, in the meaning defined above

History and Etymology for voltmeter

International Scientific Vocabulary

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Time Traveler for voltmeter

Time Traveler

The first known use of voltmeter was in 1869

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Cite this Entry

“Voltmeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/voltmeter. Accessed 25 Jan. 2021.

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More Definitions for voltmeter


How to pronounce voltmeter (audio)

English Language Learners Definition of voltmeter

: a device that measures voltage


volt·​me·​ter | \ ˈvōlt-ˌmēt-ər How to pronounce voltmeter (audio) \

Medical Definition of voltmeter

: an instrument (as a galvanometer) for measuring in volts the differences of potential between different points of an electrical circuit

More from Merriam-Webster on voltmeter

Britannica.com: Encyclopedia article about voltmeter

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