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Definition of luminosity noun from the Oxford Advanced Learner's Dictionary

luminosity

noun
 
/ˌluːmɪˈnɒsəti/
 
/ˌluːmɪˈnɑːsəti/
[singular, uncountable] (formal or literary)
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  1. the fact of shining in the dark; the ability to give out light
    • The moon was shining enough to give a ghostly luminosity to the buildings that crowded both sides of the narrow street.
    • the luminosity of the stars/sun
  2. a clear and beautiful quality that something has
    • the luminosity of the poem
buttercup
noun
 
 
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Plants and trees
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