けいこうとう

蛍光灯

表記・読み：蛍光燈・螢光灯・螢光燈・けい光灯・けいこう灯・けいこうとう

1. 1

   fluorescent lamp; fluorescent light

   名詞
2. 2

   person who is slow to react; someone slow on the uptake

   名詞dated term