English Dictionary

Definition of “luminous

luminous (ˈluːmɪnəsPronunciation for luminous

Definitions

adjective

  1. radiating or reflecting light; shining; glowing  ⇒ luminous colours 
  2. (not in technical use) exhibiting luminescence  ⇒ luminous paint 
  3. full of light; well-lit
  4. (of a physical quantity in photometry) evaluated according to the visual sensation produced in an observer rather than by absolute energy measurements  ⇒ luminous flux luminous intensity Compare radiant
  5. easily understood; lucid; clear
  6. enlightening or wise

Alternative Forms

ˈluminously adverb ˈluminousness noun

Word Origin

C15: from Latin lūminōsus  full of light, from lūmen light

Usage examples

  • There was a print in the window, a medieval painting of a crucified Christ with a luminous golden background.
    Hugo Wilcken, THE EXECUTION (2002)
  • Blended with blacks, peacock blues and creams, it can endow garments with a luminous effect that is at once regal and sombre.
    India Today (1996)
  • The radioactivity in the instrument dump came from radium 266 used in the luminous markings on old instruments.
    New Zealand Herald (2003)
  • They open from grey furred winter buds, and when in full flower, the shrub is bright and luminous.
    Times, Sunday Times (2002)
  • (Contrast quasars, where the nucleus is more luminous than the galaxy.
    North, John, The Fontana history of Astronomy and Cosmology (1994)

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