ボルト

also: ヴォルト

ボ

ル

ト

Common wordJLPTN1Freq.FrequencyTop 10,000

Meanings

1

noun

volt

The standard unit of electrical potential difference. Used in technical, scientific, and everyday contexts when discussing electricity.

この電でん池ちは1.5ボルトです。
This battery is 1.5 volts.

日本にほんの家か庭てい用よう電でん圧あつは100ボルトです。

The household voltage in Japan is 100 volts.

Usage patterns

〈数すう〉ボルトa rating of X volts
このコンセントは100ボルトです。
This outlet is 100 volts.
〈数すう〉ボルトの電でん池ちa battery rated at X volts
9ボルトの電でん池ちを買かった。
I bought a 9-volt battery.

Related words

電でん圧あつN1
電圧 is the physical quantity of electrical potential difference, while ボルト is the unit used to measure that quantity.
ネジN2
ネジ is a screw that can be driven directly into material, while ボルト is a bolt that is used together with a nut (ナット).

Don't confuse with

ワットN1
ワット measures power while ボルト measures electric voltage, so the two are easy to mix up in electrical specs.

Word family· 10

アイボルト
eye bolt; eyebolt
キロボルト
kilovolt; kV
ミリボルト
millivolt
メガボルト
megavolt; MV

Written forms

ボルトUsage100%
Standard katakana spelling for the unit of electrical potential.
ヴォルトUsage<1%
Less common variant spelling; ボルト is overwhelmingly preferred in modern Japanese.

Etymology

Borrowed from English 'volt', named after the Italian physicist Alessandro Volta. The variant ヴォルト reflects an older or more precise transliteration of the 'v' sound, but ボルト is now standard.

電でん子しボルト

electron volt; electronvolt; eV

Show 5 more

ボルトアンペア
volt-ampere
マイクロボルト
microvolt
六ろっ角かく穴あな付つきボルト
hex socket head cap bolt
エレクトロンボルト
electron volt
ハイテンションボルト
high tension bolt