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| lu·mi·nous [ lmənəss ] |
adjective |
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| Definition: |
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1. light-emitting: emitting or reflecting light
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2. bright: startlingly bright
  luminous orange
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3. illuminated: brightly illuminated
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4. understandable: clear and easy to understand
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5. inspiring: enlightened and inspiring
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6. physics relating to light: evaluated on the basis of the visual sensation produced in an observer rather than energy measurements
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| [15th century. Directly or via French< Latin luminosus< lumin- "light, opening"] |
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| lu·mi·nous·ly adverb |
| lu·mi·nous·ness noun |
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