蛍 光 灯(けいこうとう)

けいこうとう

noun

fluorescent light, fluorescent lamp

electronics

1. fluorescent light, fluorescent lamp

A type of light that uses fluorescent tubes, common in offices, schools, and homes in Japan.

蛍光灯(けいこうとう)が切(き)れた。

The fluorescent light burned out.

蛍光灯(けいこうとう)を交換(こうかん)する。

To replace the fluorescent light.

蛍光灯(けいこうとう)からLEDに替(か)える家庭(かてい)が増(ふ)えている。

More households are switching from fluorescent lights to LEDs.

蛍光灯(けいこうとう) is the standard term for fluorescent lighting.

Common patterns

蛍光灯(けいこうとう)が切(き)れる: the fluorescent light burns out
蛍光灯(けいこうとう)を交換(こうかん)する: to replace the fluorescent light
蛍光灯(けいこうとう)の光(ひかり): fluorescent lighting

Usage

Still widely used in Japan, though being gradually replaced by LED lighting. The tubes come in various shapes including 丸型(まるがた) (circular) and 直管(ちょっかん) (straight tube).

Related Words

Compare: 発光(はっこう)ダイオード (light-emitting diode)

general

Added 2026.2.3 11:37 · Revised 2026.9.2 13:01

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