照度 zhàodù
          
              zhàodù 
              
              noun 
              level of illumination; illuminance 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain: Optics 
              
              
                , Concept:  
              
              
              
                Notes: Measured in 勒克司 lux (CC-CEDICT '照度'; Guoyu '照度'; Mathews 1931 '照度', p. 28; Wikipedia '照度')