電 圧(でんあつ)

でんあつ

noun

voltage; electric pressure

1. voltage; electric pressure

The electrical potential difference between two points, measured in volts. A fundamental concept in electricity and electronics.

電圧(でんあつ)が高(たか)い。

The voltage is high.

日本(にほん)の家庭(かてい)の電圧(でんあつ)は100ボルトだ。

The household voltage in Japan is 100 volts.

海外(かいがい)で日本(にほん)の電化製品(でんかせいひん)を使(つか)うときは、電圧(でんあつ)の違(ちが)いに注意(ちゅうい)が必要(ひつよう)だ。

When using Japanese electronics overseas, you need to be careful about voltage differences.

A compound of 電(でん) (electricity) and 圧(あつ) (pressure). The standard term for voltage in both everyday and technical contexts.

Cultural note

Japan uses 100V household electricity, which is lower than most countries (110-240V). This is a common topic for travelers and expats who need voltage converters (変圧器(へんあつき)).

Common collocations

電圧(でんあつ)が高(たか)い/低(ひく)い — high/low voltage
電圧(でんあつ)を上(あ)げる/下(さ)げる — to raise/lower voltage
高(こう)電圧(でんあつ) — high voltage
電圧(でんあつ)変換(へんかん) — voltage conversion

Related words

電流(でんりゅう) — electric current
電力(でんりょく) — electric power
変圧器(へんあつき) — transformer, voltage converter
ボルト — volt (unit)

Related Words

Related: 電流(でんりゅう) (electric current)

Related: 電力(でんりょく) (electric power)

Related: ボルト (volt)

Compare: 電荷(でんか) (electric charge)

general

Added 2026.3.28 13:34 · Revised 2026.9.2 13:01

19500/19996_denatsu