| Radiometer | radiometer |
| Eudiometer | eudiometer |
| Radierer | eraser |
| Radiosender | radio broadcaster radio network station |
| Radiowecker | clock radio |
| Goniometer | goniometer |
| Heliometer | heliometer |
| Hodometer | odometer |
| Odometer | odometer |
| Tachometer | speedometer |
| Algometer | algometer |
| Aräometer | areometer |
| Attometer | attometer attometre |
| Barometer | barometer |
| Gasometer | gasholder gasometer |
| Hydrometer | hydrometer |
| Manometer | manometer pressure gauge |
| Nanometer | nanometre nanometer |
| Rheometer | rheometer |
| Dimeter | dimeter |