volt

1 of 2

noun (1)

ˈvōlt 

: 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

volt

2 of 2

noun (2)

ˈvōlt  ˈvȯlt 

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

If Pauli’s theory of neutrinos were correct, then each of these sets of reactions, both fission and fusion, would emit neutrinos each with a substantial amount of energy (in the ~MeV, or mega-electron-volt, range) to them. —Big Think, 28 Oct. 2025

To test the effect of static charge on airborne nematodes, Ortega-Jiménez tethered living fruit flies to a live copper wire and adjusted the voltage between 100 and 700 volts, comparable to what insects would generate in the wild. —Cody Cottier, Scientific American, 23 Oct. 2025

These charging systems deliver 1,000 kilowatts of power at 1,000 volts. —Charles Singh, USA Today, 13 Oct. 2025

The Looft has a 36-volt lithium battery pack that’s good for 10 ignitions per charge. —Graham Averill, Outside, 11 Oct. 2025

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

Phrases Containing volt

• electron volt
• volt-ampere

Rhymes for volt

• bolt
• boult
• colt
• jolt
• molt
• moult
• poult
• smolt
• volte
• kilovolt
• landolt
• raoult

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

ˈvōlt 

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