volt·​me·​ter | \ˈvōlt-ˌmē-tər \

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

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.

First Known Use of voltmeter

1869, in the meaning defined above

History and Etymology for voltmeter

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Time Traveler for voltmeter

The first known use of voltmeter was in 1869

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English Language Learners Definition of voltmeter

: a device that measures voltage


volt·​me·​ter | \ˈvōlt-ˌmēt-ər \

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

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Britannica.com: Encyclopedia article about voltmeter

Comments on voltmeter

What made you want to look up voltmeter? Please tell us where you read or heard it (including the quote, if possible).


something that serves to warn or remind

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