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TOEFL BNC: 12526 COCA: 0

volt

1 ENTRIES FOUND:
volt /ˈvoʊlt/ noun
plural volts
volt
/ˈvoʊlt/
noun
plural volts
Learner's definition of VOLT
[count]
: a unit for measuring the force of an electrical current(电压单位)伏,伏特
abbreviation V
TOEFL BNC: 12526 COCA: 0

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

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
TOEFL BNC: 12526 COCA: 0

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