| Acronym | Meaning |
| PAMS | Photochem. Assessment Monitoring Stations |
| MIA | Multivariate Image Analysis |
| SRMCASE | Symmetry-restricted Multiconfiguration Annihilation Of Single Excitations Method |
| SMC | Schwinger Multichannel (for Electron-mol. Scattering) |
| RNR | Ribonucleotide Reductase |
| BWO | Backward Wave Oscillator |
| IISCI | Initial Ionic State Comfiguration Interaction |
| MMTV | Mouse Mammary Tumor Virus |
| CANDI | Carbon And Nutrient Diagenesis |
| MEDLARS | Medical Literature Analysis And Retrieval System (NLM) |