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Alternative forms




Borrowed from Middle French lumineus, from Latin lūminōsus.





luminous (comparative more luminous, superlative most luminous)

  1. Emitting light; glowing brightly; shining.
    Synonyms: beamful, shining, radiant; see also Thesaurus:shining
    • 1834, L[etitia] E[lizabeth] L[andon], chapter IV, in Francesca Carrara. [], volume III, London: Richard Bentley, [], (successor to Henry Colburn), →OCLC, page 21:
      The moon, which had been slowly ascending, now shone through an open space between the trees; and the rippling waters of the brook gave back her light in luminous vibrations.
    • 1888–1891, Herman Melville, “[Billy Budd, Foretopman.] Chapter [HTTP://GUTENBERG.NET.AU/EBOOKS06/0608511H.HTML CHAPTER 11].”, in Billy Budd and Other Stories, London: John Lehmann, published 1951, →OCLC:
      The bonfire in his heart made luminous the rose-tan in his cheek.
  2. Brightly illuminated.
    Synonyms: lighted, lit up; see also Thesaurus:illuminated
    (Can we add an example for this sense?)
  3. Clear; enlightening; easy to understand.
    a luminous explanation

Derived terms



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