English > luminousness: 1 sense > noun 1, attributeMeaning | The quality of being luminous; emitting or reflecting light. |
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Synonyms | luminosity, brightness, brightness level, luminance, light |
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Attributes | bright | emitting or reflecting light readily or in large amounts |
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dull | emitting or reflecting very little light |
Narrower | illuminance, illumination | The luminous flux incident on a unit area |
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incandescence | light from heat |
luminescence, glow | light from nonthermal sources |
Broader | physical property | Any property used to characterize matter and energy and their interactions |
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Spanish | luminancia, luminosidad, luz |
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Catalan | lluminositat, luminància |
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Adjectives | bright | made smooth and bright by or as if by rubbing |
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luminous | softly bright or radiant |