| Stoffmengenkonzentration | molar concentration |
| Ionenkonzentration | ion concentration |
| Luftionenkonzentration | air ion concentration atmospheric ion concentration |
| Schwellenkonzentration | threshold concentration |
| Ozonkonzentration | ozone concentration |
| Schimmelpilzkonzentration | mould concentration |
| Äquivalentkonzentration | normality |
| Längenkontraktion | Lorentz contraction length contraction |
| Konzentration | concentration |
| Namenskonvention | naming convention |
| Lorentzkontraktion | Lorentz-Fitzgerald contraction |
| Doppelpenetration | double penetration |
| Mengenfunktion | set function |
| Ionengenerator | ion generator |
| verlorene Generation | lost generation |
| Degeneration | degeneration |
| Genfer Konvention | Geneva Convention |
| Regeneration | regeneration |
| Stromgenerator | electric generator |
| Flaschenkondensator | Leyden jar |