| Subject | English | German |
| automat. | diffusion model | Diffusionsmodell |
| biol. | diffusion model | Diffusionsmodell (of biological radiation damage) |
| el. | diffusion-transistor lumped model | Ersatzschaltung eines Diffusionstransistors |
| el. | homogeneous diffusion reactor model | Homogendiffusions-Reaktormodell |