 |
| English | German |
| direction of incidence | Inzidenzrichtung (arrival) |
| forward direction | Leitrichtung (of a junction) |
| incident direction | Inzidenzrichtung |
| incident direction | Einfallsrichtung |
| reference direction | Referenzrichtung (of an X-ray tube) |
| reference direction | Bezugsrichtung (of an X-ray tube) |
| reverse direction | Sperrichtung (of а junction) |