| Subject | German | English |
| auto. | el. SD | power sunroof |
| biol. | SD₅₀ | mean lethal dose |
| biol. | SD₅₀ | 50 percent dose |
| biol. | SD₅₀ | lethal dose for 50 percent survival scored at a specified time |
| biol. | SD₅₀ | LD50/t (t in days, e.g. LD 50/30) |
| biol. | SD₅₀ | LD 50/t |
| biol. | SD₅₀ | 50% dose |
| biol. | SD₅₀ | dose for 50% probability of death within a specified time |
| biol. | SD₅₀ | median lethal dose |
| radiat. | SD-Detektor | superheated drop detector |
| comp., MS | SD-Karte | SD card (A memory card about the size of a postage stamp that is supported by many types of devices) |
| met. | SD-Kurve | tensile stress–deformation diagram |
| med. | SD-Sequenz | ribosome binding site |
| med. | SD-Sequenz | SD-sequence |
| med. | SD-Sequenz | Shine-Dalgarno sequence |
| el. | SD1-Ätzlösung | SD1 etch |