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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

The quality of giving or radiating light.

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Usage examples (36)
  • It was amazing how much luminosity the moon had after the eclipse was over.
  • Its luminosity is measured relative to that of our sun
  • Polaris fluctuates in its short-term luminosity as well.
  • The rods detect motion — changes in luminosity — better than do the cones.
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