| Acronym | Meaning |
| ANSIG | Assignment Of NMR Spectra By Interactive Graphics |
| NAPIS | National Agricultural Pest Information System |
| PLOT | Porous Layer Open Tubular (capillary Column For Gas Chromatography) |
| PEMC | Pair-excitation Multiconfiguration (type Of Wave Function) |
| ZRPA | Zero-range Potential Approximation |
| TENR | Technologically Enhanced Natural Radioactivity |
| ARCHIE | Automated Resource For Chemical Hazard Incident Evaluation |
| ATA | Average T-matrix Approximation |
| ECETOC | European Center For Ecotoxicology And Toxicology Of Chemicals |
| EARTOF | Energy And Angle Refocusing Time-of-flight Mass Spectrometry |