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      首頁英語詞典halogenhalogen英英釋意
      
                    
      
	
      halogen
      
	
      英 ['h?l?d?(?)n; 'he?l-]
美['h?l?d??n]

      


	    
      
	
        
    
      • n. [化學(xué)] 鹵素
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      英英釋意
      
	
      
	
      1. any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions