蛍光灯
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Base noun form. Refers to a type of electric lamp that uses fluorescence to produce light. Often used in indoor lighting fixtures.
Theme

In an office setting, User and their coworker Ken are discussing lighting issues during a break.

蛍光灯

けいこうとう

fluorescent lamp

Everyday Life & SurvivalHome & Objects

Memory Hook

Imagine a 'firefly' (蛍 hotaru) glowing in a 'lamp' (光灯 kōtō) — a fluorescent lamp lights up like a firefly! 'Firefly lamp' → 蛍光灯 (keikōtō, 'fluorescent lamp').

Cultural Note

In Japan, fluorescent lamps are commonly used in offices, schools, and homes for energy efficiency. You might hear terms like 『蛍光灯を交換する』 (keikōtō o kōkan suru, 'to replace a fluorescent lamp') in daily life.

Forms

Base: 蛍光灯Base noun form. Refers to a type of electric lamp that uses fluorescence to produce light. Often used in indoor lighting fixtures.