Phosphorescent (adjective)

1. Emitting light in the dark without being heated, as a result of a chemical reaction, especially in certain minerals or organic compounds.
2. Of, relating to, or exhibiting phosphorescence.

Origin:

From latin phosphorus, from greek phosphoros, literally 'light-bringer', from phos 'light' + phoros 'bringer' + -escent, a suffix meaning 'becoming'.

Examples:

1. The phosphorescent stars in the night sky provided a beautiful and eerie light.
2. The phosphorescent paint on the bicycle frame glowed brightly in the dark, making the rider highly visible.
3. The phosphorescent minerals in the cave walls gave off a soft green light, illuminating the dark passages.
4. The phosphorescent bacteria in the ocean depths provided a unique source of light for the deep-sea creatures.
5. The phosphorescent fabric was used in costumes for a performance, creating a unique and eye-catching effect.