| Subject | Italian | English |
| environ. | fallout chimico | chemical fallout |
| environ. | fallout chimico | chemical fallout The sedimentation of chemical substances accumulated in the atmosphere as a result of industrial emissions |
| environ. | fallout radioattivo | radioactive fallout The material that descends to the earth or water well beyond the site of a surface or subsurface nuclear explosion |
| environ. | fallout radioattivo | radioactive fallout |
| radiol. | fallout radioattivo/ricadute radioattive | radioactive fallout |