| Acronym | Meaning |
| CIOSA | Classical Infinite-order Sudden Approxn. |
| GAM | Generalized Additive Model |
| IPOD | International Phase Of Ocean Drilling |
| IEMA | Immunoenzymometric Assay |
| SCAQS | Southern California Air Quality Study |
| TIMAS | Toroidal Imaging Mass-Angle Spectrograph |
| ULDPE | Ultra Low Density Polyethylene |
| VEOMP | Valence-electron-only Model Potential (for Mol. SCF Calcns.) |
| CSE | Capillary Sieving Electrophoresis |
| STOIC | Stratospheric Ozone Intercomparison Campaign |