| Äquivalentkonzentration | normality |
| Schwellenkonzentration | threshold concentration |
| Ionenkonzentration | ion concentration |
| Äquivalenzrelation | equivalence relation |
| Luftionenkonzentration | air ion concentration atmospheric ion concentration |
| Ozonkonzentration | ozone concentration |
| Konzentration | concentration |
| Schimmelpilzkonzentration | mould concentration |
| Stoffmengenkonzentration | molar concentration |
| Namenskonvention | naming convention |
| Apfelsaftkonzentrat | apple juice concentrate |
| Äquivalenzklasse | equivalence class |
| Äquivalenzpunkt | equivalence point |
| Lorentzkontraktion | Lorentz-Fitzgerald contraction |
| Implementation | implementation |
| Quantenteleportation | quantum teleportation |
| Längenkontraktion | Lorentz contraction length contraction |
| Anti-AKW-Demonstration | nuclear force |
| Gruppenoperation | group action |
| Makuladegeneration | macular degeneration |