• adjective
• synonym
• antonym

• luminous energy (noun)
  1. the energy associated with visible light
• luminous flux (noun)
  1. the rate of flow of light energy
• luminous flux unit (noun)
  1. a measure of luminous flux per unit area
• luminous intensity (noun)
  1. physics a measure of the power emitted by a source of light; equal to the flux density per solid angle
• luminous intensity unit (noun)
  1. a measure of luminous intensity
• self-luminous (adjective)
  1. having in itself the property of emitting light
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