| Subject | English | German |
| meas.inst. | lumen-hour | Lumenstunde (unit of light quantity; 1lmh = 1 cd • sr h) |
| opt. | lumen-hour | Lumenstunde (unity of quantity of light) |
| meas.inst. | lumen-second | Lumensekunde (unit of light quantity; 1lms = 1 cd • sr • s) |
| tech. | lumens per lamp | Lampenlichtstrom |