luminescent

/ˌluməˈnɛsənt/
adjective
  1. Producing or giving off light without heat, often in the dark.
    • The cave walls were covered in luminescent moss that lit up the path.
    • The watch has luminescent hands so you can read it at night.
    • The jellyfish had a beautiful luminescent glow in the ocean.
What does "luminescent" mean? | whatsthatwordmean | whatsthatwordmean