| Acronym | Meaning |
| SDA | Spray Drying Absorber |
| TDMO | Time-dependent Molecular Orbital |
| NIST | National Institute Of Standards And Technology (formerly NBS) |
| AWRG | Acid Waters Review Group (UK) |
| RHDV | Rabbit Hemorrhagic Disease Virus |
| AIEMP | Ab Initio Embedding Model Potential |
| SETAC | Society Of Environmental Toxicology And Chemistry |
| IRPDS | Infrared Photothermal Deflection Spectroscopy |
| EMAS | Electron Microprobe Auger Spectroscopy |
| NES | US National Eutrophication Study |