| Subject | English | German |
| nucl.phys. | back flush | Rückspülen |
| anal.chem. | back-flush | Zurückspülung Rückspülung (in gas chromatography) |
| tech. | back-flush valve | Rückspülschieber |
| construct. | filter back-flush | Filterreinigung |
| construct. | filter back-flush | Filterspülung |