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      首頁英語詞典luminosityluminosity英英釋意
      
                    
      
	
      luminosity
      
	
      英 [lu?m?'n?s?t?]
美[,l?m?'nɑs?ti]

      


	    
      
	
        
    
      • n. [光][天] 光度；光明；光輝
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      英英釋意
      
	
      
	
      1. the quality of being luminous; emitting or reflecting light;
      "its luminosity is measured relative to that of our sun"