| Acronym | Meaning |
| AER | Atmospheric And Environmental Research |
| GIRMS | Gas Isotope Ratio Mass Spectrometry |
| TGVBA | Target Generalized Valence Bond Approximation |
| MEDO | Multipole Expansion Of Diatomic Overlap Approximation |
| SHOA | Second-harmonic Optical Activity |
| PTEF | Photochem. Thermodynamic Efficiency Factor |
| PICA | Picosecond Imaging Circuit Analysis |
| BOVOC | Biogenic Oxygenated Volatile Org. Compd. |
| NAIP | Non-Apatite Inorganic Phosphorus |
| TOXLINE | Toxicology Information Online (NLM) |