Definition of lightq:
		
            
            
          
            
            
            
          
            
              °The natural medium emanating from the sun and other very hot sources (now recognised as electromagnetic radiation with a wavelength of 400-750 nm), within which vision is possible.
            
            
            
          
            
              °A source of illumination.
            
            
            
          
            
              °having light.
            
            
            
          
            
	 
 
		
		
		Definition of lightq:
		
            
            
          
            
            
            
          
            
              °The natural medium emanating from the sun and other very hot sources (now recognised as electromagnetic radiation with a wavelength of 400-750 nm), within which vision is possible.
            
            
            
          
            
              °A source of illumination.
            
            
            
          
            
              °having light.