| English | German |
| outer electric potential of phase ß | Volta-Potential |
| outer electric potential of phase ß | äußeres elektrisches Potential der Phase ß |
| outer volume | Zwischenraumvolumen (in chromatography) |
| outer volume | Hohlraumvolumen (in chromatography) |
| outer zone | sekundäre Reaktionszone (of a flame) |
| outer zone | äußerer Kegel (of a flame) |
| outer zone | Außenkegel (of a flame) |