| illumination lamp | Beleuchtungslampe |
| illumination level | Ausleuchtungsgrad |
| illumination meter | Luxmeter |
| illumination mirror | Beleuchtungsspiegel |
| illumination model | Beleuchtungsmodell |
| illumination models | Beleuchtungsmodelle |
| illumination optics | Beleuchtungsoptik |
| illumination photometer | Luxmeter |
| illumination photometers | Beleuchtungsmesser |
| illumination radar | Beleuchtungsradar |
| illumination resistance | Hellwiderstand |
| illumination spot | Ausleuchtzone |
| Illuminations | Illuminationen |
| illuminative | aufklärend |
| illuminator | Beleuchter |
| illuminator radar | Beleuchtungsradar |
| illuminators | Beleuchter |
| illumine | beleuchten |
| illumined | ausgeleuchtet |
| illumines | beleuchtet |
| illuming | aufklärend |
| illumining | ausleuchtend |
| illuminism | Illuminismus |
| illuminometer | Luxmeter |
| illuminometers | Luxmeter |
| illusion | Trugbild |
| Illusion in a Minor Key | Illusion in Moll |
| Illusion in Moll | Illusion in Moll |
| Illusion of control | Kontrollillusion |
| Illusion of Gaia | Illusion of Time |
| Illusion Travels by Streetcar | Die Illusion fährt mit der Strassenbahn |
| illusionary | trügerisch |
| illusionism | Scheinarchitektur |
| illusionist | Illusionist |
| illusionistic architecture | Scheinarchitektur |
| illusionlike | illusionsartig |
| illusions | Trugbilder |
| illusive | trügerisch |
| illusively | illusorisch |
| illusiveness | Schein |
| illusorily | illusorisch |
| illusoriness | Schein |
| illusory | eingebildet |
| illusory boom | Scheinblüte |
| illusory world | Scheinwelt |
| illustrate | erklären |
| illustrated | illustriert |
| illustrated atlas | bebilderter Atlas |
| illustrated book | bebildertes Buch |
