Meaning & use

volt

noun·Academic

Last updated

The SI unit of electric potential difference, or voltage, equal to the difference that drives one ampere of current through one ohm of resistance.

See it in a sentence

A standard household outlet in the US supplies about 120 volts.

The battery is rated at 1.5 volts.

A note on using this word

Named after Italian physicist Alessandro Volta; abbreviated 'V' in scientific notation, as in '9V battery.'

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