| Label | Id | |
|---|---|---|
| nonionizing radiation | PHEN:AOD | |
| radio wave | PHEN:AOD | |
| radioactivity | PHEN:AOD | |
| rain | PHEN:AOD | |
| spontaneous remission | PHEN:AOD | |
| smog | PHEN:AOD | |
| snow | PHEN:AOD | |
| solar energy | PHEN:AOD | |
| surface tension | PHEN:AOD | |
| viscosity | PHEN:AOD | |
| volatilization | PHEN:AOD | |
| chemiluminescence | PHEN:AOD | |
| glare | PHEN:AOD | |
| chemical synthesis | PHEN:AOD | |
| hurricane, typhoon | PHEN:AOD |