| Acronym | Meaning |
| IDEAL | Inhalation, Deposition And Exhalation Of Aerosols In/from The Lungs |
| HWD | Hazardous Waste Disposal |
| ITO | Indium Tin Oxide (gas Sensor |
| TRDS | Text Retrieval Data System |
| EHP | Electron-hole Potential Method |
| CCD | Charge Coupled Device |
| ASFF | Aerated Stationary Or Submerged Fixed-film (wastewater Treatment) |
| RE | Relativistic Eikonal |
| IWIC | International Waste Identification Code |
| SPE | Solar Proton Event |