| Terms for subject Environment (27967 entries) |
| overturn (limnology) | Zirkulation | |
| overwintering (To spend winter in a particular place) | Überwinterung | |
| overwintering | Winterschlaf | |
| overwintering fire | überwinterndes Feuer | |
| ovicide | Ovizid | |
| ovine (Horned ruminant mammals raised in many breeds for wool, edible flesh, or skin) | Ovine | |
| Owens jet dust counter | Owens-Luftstaubgehaltsmesser | |
| owl parrot | Kakapo | |
| owls | Eulenvögel | |
| owner of waste | Abfallbesitzer | |
| ownership (Collection of rights to use and enjoy property, including right to transmit it to others. The complete dominion, title, or proprietary right in a thing or claim) | Eigentumsrecht | |
| Ox | Ozonkonzentration | |
| oxidability | Oxidierbarkeit | |
| oxidant level | Oxidantienkonzentration | |
| oxidation (A chemical reaction that increases the oxygen content of a compound) | Oxidation | |
| oxidation ditch | Belueftungsgraben | |
| oxidation-reduction (An oxidizing chemical change, where an element's positive valence is increased (electron loss), accompanied by a simultaneous reduction of an associated element (electron gain)) | Redoxreaktion | |
| oxidation-reduction potential | Redoxpotential | |
| oxide (Binary chemical compound in which oxygen is combined with a metal or nonmetal) | Oxid | |
| oxide of nitrogen | Stickoxid |