luminescence

Noun
  1. is a type of: light, visible light, visible radiation - (physics) electromagnetic radiation that can produce a visual sensation
    subtypes:
    • bioluminescence - luminescence produced by physiological processes (as in the firefly)
    • chemiluminescence - luminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies
  2. is a type of: brightness, brightness level, light, luminance, luminosity, luminousness - the quality of being luminous; emitting or reflecting light
    same as: glow

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