English Reference

Word

volt

US/ˈvoʊɫt/

UK/vˈəʊlt/

Definition

n. a unit used to measure the force of electricity as it moves through a wire.

n. the SI unit of electromotive force, representing the potential difference that would carry one ampere of current against one ohm of resistance.

Examples

“The battery in my car provides twelve volts of power.”

“Standard household outlets in many countries provide a current of 230 volts to power appliances.”

“The technician carefully measured the potential difference across the circuit, noting that a drop of even a few volts could indicate a faulty capacitor.”

Examples

simple

“The battery in my car provides twelve volts of power.”

contextual

“Standard household outlets in many countries provide a current of 230 volts to power appliances.”

complex

“The technician carefully measured the potential difference across the circuit, noting that a drop of even a few volts could indicate a faulty capacitor.”

Usage

Often used in the plural when specifying a quantity; frequently preceded by a number.

Etymology

Named after Italian physicist Alessandro Volta. For the surname, see Italian Volta.

From French volte.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

voltNounvoltageNoun

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

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English Reference