different between radiancy vs luminousness

radiancy

English

Noun

radiancy (countable and uncountable, plural radiancies)

  1. The property of being radiant; radiance
    • 1866, John Mason Neale, The Invalid's Hymn-book
      What radiancy of glory, / What light beyond compare!
  2. (physics) The amount of energy emitted, flux.

radiancy From the web:

  • what radiancy mean
  • what does radiance mean
  • what does radiance mean in science
  • what is spectral radiancy
  • what does disused radiancy mean


luminousness

English

Etymology

luminous +? -ness

Noun

luminousness (countable and uncountable, plural luminousnesses)

  1. The quality of being luminous.

luminousness From the web:

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