source of illumination

1. Any device serving as a source of visible electromagnetic radiation (synset 104270870)
   is a type of: device - an instrumentality invented for a particular purpose
   subtypes:

   • lamp - an artificial source of visible illumination
   • light, light source - any device serving as a source of illumination
   • ultraviolet lamp, ultraviolet source - any source of illumination that emits ultraviolet radiation

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