Meanings

fluorescence

footlight

passing one's time

(beautiful) scenery

optical activity

tourist bar

sensitive or sensitized plate (sensitised)

light and heat

mysterious light

luminous paint

halo

luminous body

luminous animal

luminous plant

photosensitive paper

photographic sensitivity

spectroscopic analysis

sunrise viewed from the top of a high mountain

backlight (in photography, etc.)

zodiacal light