| Luftionenkonzentration | air ion concentration atmospheric ion concentration |
| Ionenkonzentration | ion concentration |
| Ozonkonzentration | ozone concentration |
| Schwellenkonzentration | threshold concentration |
| Stoffmengenkonzentration | molar concentration |
| Äquivalentkonzentration | normality |
| Konzentration | concentration |
| Luftionisationsgenerator | ionisation device ionized air generator |
| Längenkontraktion | Lorentz contraction length contraction |
| Lüftungszentrale | air conditioning centre ventilation center ventilation station |
| Lorentzkontraktion | Lorentz-Fitzgerald contraction |
| Tastenkombination | keyboard shortcut |
| Wannenkonformation | boat conformation |
| verlorene Generation | lost generation |
| Defenestration | defenestration |
| Schimmelpilzkonzentration | mould concentration |
| Überkompensation | overcompensation |
| Fermionen-Kondensat | fermionic condensate |
| Ionengenerator | ion generator |
| Zitronensaftkonzentrat | lemon juice concentrate |