glow of a firefly ②nearly extinguished fire

firefly watching ②firefly catching

fluorite

bellflower

dayflower

empty vessels make the most noise

Auld Lang Syne ②Hotarunohikari

diligence in studying (e.g. continuing to study even in such poor light as offered by a firefly or that reflected by snow)

fluorescent paint

fluorescent lamp ②person who is slow to react

highlighter (pen)

fluorescence

fluorescent substance

the fruit of diligent study

fluorescent substance

fluorescent screen

green fluorescent protein

vacuum fluorescent tube

fluorescent tube

fluorescent color

fluorescence microscope

fluorescent dye

fluorescent dye

fluorescent whitening agent

fluorescent ink

flying firefly