catflap.org Online Dictionary Query

  ceiling illumination /sˈiːlɪŋ ɪlˌuːmɪnˈeɪʃən/
  Deckenbeleuchtung , Deckenlicht  [ugs.]
     Synonym: ceiling lighting
  
   see: lighting, illumination, general lighting, incident lighting, incident illumination, stage lighting, daylight lighting, daylight illumination, direct lighting, direct illumination, indirect lighting, Indirect illumination, artificial lighting, artificial illumination, natural lighting, natural illumination, spot lighting, insufficient lighting