| Acronym | Meaning |
| SIRMS | Stable Isotope Ratio Mass Spectrometry |
| MIKE | Mass-analyzed Ion Kinetic Energy (spectrometry) |
| TTL | Transistor-transistor Logic |
| SVE | Soil Vapor Extraction |
| SPE | Solar Proton Event |
| TDC | Time-to-Digital Converter |
| AABW | Antarctic Bottom Water |
| MPIF | Myeloid Progenitor Inhibitory Factor |
| NWC | National Water Council (UK) |
| TCA | Traveling-cluster Approximation (a Generalization Of CPA For Electronic-structure Of Alloys) |