1.
fluorescence; fluorescent light
The emission of light by a substance that has absorbed light or radiation. In everyday use, most commonly refers to fluorescent lighting or fluorescent colors.
蛍光灯を交換する。
To replace the fluorescent light.
蛍光ペンで大事なところに線を引く。
To highlight important parts with a highlighter pen.
夜の安全のために、蛍光色のベストを着て走ることにしている。
For safety at night, I make it a point to wear a fluorescent-colored vest when running.
Refers to fluorescence — the property of emitting bright light. Composed of 蛍 (firefly) + 光 (light), literally "firefly light," because the glow resembles that of a firefly. Most commonly encountered in compounds related to fluorescent lighting and colors.
COMMON COLLOCATIONS:
- 蛍光灯: fluorescent light tube
- 蛍光ペン: highlighter pen
- 蛍光色: fluorescent color
- 蛍光塗料: fluorescent paint
- 蛍光物質: fluorescent substance
SIMILAR WORDS:
- 発光: luminescence — the general phenomenon of emitting light
- LED: LED — increasingly replacing 蛍光灯 in Japanese households
NOTE:
While traditional 蛍光灯 (fluorescent tubes) are being phased out in favor of LED lighting in Japan, the word 蛍光 remains widely used, especially in 蛍光ペン (highlighter) and 蛍光色 (neon/fluorescent colors).