Japanese word

蛍光灯

Pronunciation

Romajikeikōtō

Meaning

  • nounfluorescent lamp

Example

部屋の蛍光灯が切れました。heya no kei kō tō ga ki re ma shi ta

The fluorescent lamp in the room has burned out.

Illustration for 蛍光灯 (fluorescent lamp)

More examples

台所の蛍光灯がちらついています。dai dokoro no kei kō tō ga chi ra tsu i te i ma su

The fluorescent lamp in the kitchen is flickering.

Core concept

Describes a light source that uses a fluorescent coating to turn ultraviolet radiation into visible light.

Common phrases

  • 蛍光灯が切れるkei kō tō ga ki re ru

    a fluorescent lamp burns out

  • 蛍光灯を交換するkei kō tō o kō kan su ru

    replace a fluorescent lamp

  • 蛍光灯をつけるkei kō tō o tsu ke ru

    turn on a fluorescent lamp

  • 蛍光灯を消すkei kō tō o ke su

    turn off a fluorescent lamp

  • 蛍光灯がちらつくkei kō tō ga chi ra tsu ku

    a fluorescent lamp flickers

Similar words

蛍光ランプkeikōranpu: A term for a lamp that produces visible light through a fluorescent coating.
蛍光管keikōkan: A long glass tube that produces light through fluorescent materials and can be replaced in a fixture.

Definition in Japanese

放電で生じる紫外線を蛍光物質に作用させて発光させる照明器具。hō den de shō ji ru shi gai sen o kei kō bus shitsu ni sa yō sa se te hak kō sa se ru shō mei ki gu

Word origin

蛍光灯 (keikōtō) is a Sino-Japanese compound: 蛍 (kei, "firefly") and 光 (kō, "light") form 蛍光 (keikō, "fluorescence"), and 灯 (tō, "lamp") specifies the lighting device.

Usage tips

  • In English, fluorescent tube often names the long replaceable part, while 蛍光灯 (keikōtō) commonly covers the lamp in everyday Japanese.

Word lists with this word