luminousness | ||
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 |