電気

• 読み: でんき
• ローマ字: denki
• 漢字の分解: 電 (den) — electricity, lightning; 気 (ki/ke) — spirit, energy, air
• 発音: /de.ɴ.ki/

意味

Electricity; electric light. Refers to both electrical power and room lighting.

In daily conversation, 電気 most often means 'the light(s)' rather than electricity as a concept: 電気をつける (turn on the light), 電気を消す (turn off the light). For the scientific concept, it also means electrical power: 電気代 (denkidai — electricity bill), 電気製品 (denki seihin — electrical appliance). Related: 電気屋 (denkiya — electronics shop).

例文

1. 部屋の電気をつけてください。
2. 寝る前に電気を消します。
3. 今月は電気代が高かったです。

使い方ガイド

場面: home, daily life, utilities

トーン: neutral

起源と歴史

Composed of 電 (electricity/lightning) and 気 (spirit/energy/air), literally 'electric energy.' Created as a translation term when electrical technology was introduced to Japan in the Meiji era.

文化的背景

時代: Modern

世代: All ages

社会的背景: Universal