| Subject | English | German |
| auto. | doing donuts | Pirouetten drehen (mit durchdrehenden Hinterrädern) |
| tech. | donut-type current transformer | Aufsteckwandler |
| hi.energ. | vacuum donut | ringförmige Vakuumkammer (of a betatron or synchrotron) |
| hi.energ. | vacuum donut | Toroidkammer (of a betatron or synchrotron) |
| hi.energ. | vacuum donut | Ringröhre (of a betatron or synchrotron) |
| hi.energ. | vacuum donut | Ringkammer (of a betatron or synchrotron) |