voltmeter

noun

volt·​me·​ter ˈvōlt-ˌmē-tər How to pronounce voltmeter (audio)
: 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
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These are flanked by oil-pressure and water-temperature gauges on the left, and fuel level, voltmeter, and digital clock on the right. David E. Davis Jr., Car and Driver, 16 May 2023 Correct dosages must be determined through trial and error, and that trusty voltmeter is in the water to alert the team to any discharges, should the animal not be completely asleep. Jennifer Ouellette, Ars Technica, 14 Dec. 2021 Test the wires with the voltmeter to triple-check voltage levels. Sara Rodrigues, House Beautiful, 27 July 2020 When something did not work, Dad would pull out his voltmeter with confidence. Hillary Mullan, BostonGlobe.com, 14 June 2019 Kare is himself a sci-fi hound and a collector of sci-fi memorabilia, as well as an aficionado of antique engineering instruments, including a helical slide rule and an Edison-era voltmeter, both on display in his living room . Philip E. Ross, IEEE Spectrum, 31 Jan. 2011

Word History

Etymology

International Scientific Vocabulary

First Known Use

1869, in the meaning defined above

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 3 Jul. 2026.

Kids Definition

voltmeter

noun
volt·​me·​ter ˈvōlt-ˌmēt-ər How to pronounce voltmeter (audio)
: an instrument for measuring in volts the difference in potential between different points of an electrical circuit

Medical Definition

voltmeter

noun
volt·​me·​ter ˈvōlt-ˌmēt-ər How to pronounce voltmeter (audio)
: an instrument (as a galvanometer) for measuring in volts the differences of potential between different points of an electrical circuit

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