| Subject | German | English |
| opt. | Michelsonsches Stufengitter | Michelson's echelon |
| opt. | Michelsonsches Stufengitter | echelon (series of equally thick plates placed together in a stepwise array) |
| phys. | Michelsonsches Stufengitter | échelon grating |
| opt. | Michelsonsches Stufengitter | Michelson reflection echelon |
| opt. | Stufe des Stufengitters | step of the echelon |