| Quadraturamplitudenmodulation | quadrature amplitude modulation |
| Amplitudenmodulation | amplitude modulation |
| hydraulische Stimulation | hydraulic fracturing |
| Phasenmodulation | phase modulation |
| Frequenzmodulation | frequency modulation |
| Quantenfluktuation | quantum fluctuation |
| Quantengravitation | quantum gravity |
| Quantenteleportation | quantum teleportation |
| Transliteration | transcription |
| Tastaturkombination | keyboard shortcut |
| Satellitennavigation | satellite navigation |
| Rekapitulation | recapitulation |
| Quadratum oblongum | oblong |
| Quattuordezillion | quattuordecillion |
| Quadratmikrometer | square micrometer square micrometre |
| Quadratmillimeter | square millimeter square millimetre |
| Quadratur des Kreises | squaring the circle |
| Gruppenoperation | group action |
| Russländische Föderation | Russian Federation |
| Anti-AKW-Demonstration | nuclear force |