volt

1 of 2

noun (1)

: the practical meter-kilogram-second unit of electrical potential difference and electromotive force equal to the difference of potential between two points in a conducting wire carrying a constant current of one ampere when the power dissipated between these two points is equal to one watt and equivalent to the potential difference across a resistance of one ohm when one ampere is flowing through it
1
: a leaping movement in fencing to avoid a thrust
2
a
: a tread or gait in which a horse going sideways makes a turn around a center
b
: a circle traced by a horse in this movement

Examples of volt in a Sentence

Recent Examples on the Web
Noun
The charging time on a 240 volt level II home charger is only 11 hours, and the fuel economy rating is 83 MPGe city, 82 MPGe highway and 83 MPGe combined. Tony Leopardo, The Mercury News, 9 June 2024 The warehouse is climate-controlled and has 480 volts of power already in place. Businessden | Businessden, The Denver Post, 10 June 2024 Soviet electrical equipment, meanwhile, was incompatible with the Cuban electricity supply, which operated on the North American standard of 120 volts and 60 hertz. Sergey Radchenko, Foreign Affairs, 3 Apr. 2023 In addition, the new stretchable transistors demonstrated a field-effect mobility—the speed at which charge flows in a device, which helps control transistor switching speed—of more than 20 square centimeters per volt per second on average, even when stretched to twice their normal size. IEEE Spectrum, 17 Mar. 2024 See all Example Sentences for volt 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'volt.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun (1)

Alessandro Volta

Noun (2)

borrowed from French volte, borrowed from Italian volta "turn," noun derivative of voltare "to turn," going back to Vulgar Latin *volvitāre, frequentative of Latin volvere "to set in a circular course, cause to roll, bring round" — more at wallow entry 1

First Known Use

Noun (1)

1873, in the meaning defined above

Noun (2)

1688, in the meaning defined at sense 1

Time Traveler
The first known use of volt was in 1688

Dictionary Entries Near volt

Cite this Entry

“Volt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/volt. Accessed 25 Jul. 2024.

Kids Definition

volt

noun
ˈvōlt
: a unit of electrical potential difference and electromotive force equal to the difference in potential between two points in a conducting wire carrying a constant current of one ampere when the power used between these two points is equal to one watt

Medical Definition

volt

noun
1
: the practical mks unit of electrical potential difference and electromotive force equal to the difference of potential between two points in a conducting wire carrying a constant current of one ampere when the power dissipated between these two points is equal to one watt and equivalent to the potential difference across a resistance of one ohm when one ampere is flowing through it
2
: a unit of electrical potential difference and electromotive force equal to 1.00034 volts and formerly taken as the standard in the United States

More from Merriam-Webster on volt

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!