 luminousness |
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| 1. | [ noun ] (physics) the quality of being luminous; emitting or reflecting light | |
| Synonyms: | light luminosity brightness_level luminance brightness | |
| Examples: | "its luminosity is measured relative to that of our sun" |
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| Related terms: | physical_property luminescence illuminance incandescence light bright dull | |
| Similar spelling: |
luminous_flux luminous_energy luminesce luminosity luminescent luminescence |
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