| Acronym | Meaning |
| UPF | UV Protection Factor |
| SSNTD | Solid-state Nuclear Track Detector |
| PAP | Prostatic Acid Phosphatase |
| TSD | Technical Support Document |
| HOMBA | Higher-order Modified Born Approxn. (in Potential Scattering) |
| CASE | Coordinated Air Sea Experiment |
| SLEEP | Scanning Low Energy Electron Probe |
| COSPAR | Committee On Space Research |
| EHT | Extended Hueckel Theory |
| HPCPC | High Performance Centrifugal Partition Chromatography |