| 英文.... | The measure of density of luminous flux per unit of surface area. |
| 荷蘭語.... | Meeteenheid voor de dichtheid van lichtstroom per eenheid van het oppervlaktegebied. |
| 照度............ | [AS-Academia Sinica] |
| ................. | 國家教育研究院-雙語詞彙、學術名詞暨辭書資訊網 January 9, 2012 |
| illuminance............ | [VP] |
| ................. | McGraw-Hill AccessScience [online] (2000-2004) |
| ................. | Oxford English Dictionary Online (2002-) |
| ................. | Encyclopedia Britannica Online (2002-) |
| illumination(optical property)............ | [VP] |
| ................. | McGraw-Hill AccessScience [online] (2000-2004) "illuminance," accessed 12 December 2006 |
| ................. | Encyclopedia Britannica Online (2002-) "optics," accessed 12 December 2006 |
| illuminantie............ | [Bureau AAT] |
| ................. | AAT-Ned (1994-) |
| Subject:............ | [Bureau AAT] |
| ................. | McGraw-Hill AccessScience [online] (2000-2004) |
| ................. | Oxford English Dictionary Online (2002-) |
| ................. | Polytechnisch woordenboek En-Ne (1991) |
| ................. | Encyclopedia Britannica Online (2002-) |