| Infrarotstrahlung | infrared radiation |
| Infragestellung | impeachment |
| IR-Strahlung | IR radiation |
| Alphastrahlung | alpha radiation alpha ray |
| Ausstrahlung | broadcast charisma |
| Betastrahlung | beta radiation |
| Bremsstrahlung | bremsstrahlung |
| Gammastrahlung | gamma radiation gamma ray |
| Hintergrundstrahlung | cosmic microwave background |
| Neutronenstrahlung | neutron radiation |
| Infragestellen | impeachment |
| Infrarotlampe | infrared lamp |
| Infrastruktur | infrastructure |
| infrage stellen | question |
| Fragestellung | issue |
| Indienststellung | commissioning |
| Ultraviolettstrahlung | ultraviolet radiation |
| Bestrahlung | exposure irradiation radiotherapy |
| Röntgenstrahlung | X-ray |
| Sonnenstrahlung | solar radiation |