| Acronym | Meaning |
| SSDW | Static-static Distorted-wave (method) |
| LEEPS | Low Energy Electron Point Source |
| FMIR | Frustrated Multiple Internal Reflection |
| TOC | Total Organic Carbon |
| HCO | Heavy Cycle Oil |
| CIHT | Configuration-interaction Hylleraas-type (wave Function) |
| FOB | Functional Observational Battery |
| DDX | Isomers And Metabolites Of DDT |
| GCOS | Global Climate Observing System (WMO |
| EPMA | Electron Probe Microanalysis |