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1. Dictionary

   lu·mi·nos·i·ty

   /ˌlo͞oməˈnäsədē/

   noun

   • 1. luminous quality: "acrylic colors retain freshness and luminosity"
   • ▪ the intrinsic brightness of a celestial object (as distinct from its apparent brightness diminished by distance): "Altair has ten times the luminosity of the sun"
   • ▪ the rate of emission of radiation, visible or otherwise.

   Scrabble Points: 15

   • L

     1

   • U

     1

   • M

     3

   • I

     1

   • N

     1

   • O

     1

   • S

     1

   • I

     1

   • T

     1

   • Y

     4

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