| Acronym | Meaning |
| ESPT | Electron Spin Polarization Transfer |
| BODC | British Oceanographic Data Center |
| MPPSIRD | Mass Peak Profiling From Selected Ion Recording Data |
| PSCI | Partitioned (orbital Hessian) Super-configuration Interaction |
| GLEAMS | Groundwater Loading Effects Of Agricultural Management Systems |
| PDK | Pyruvate Dehydrogenase Kinase |
| SHM | Stockholm Humic Model |
| RPC | Reduced Potential Curve (method For Anal. Of Potential Functions And Spectra Of Diatomic Molecules) |
| AODP | Advanced Ocean Drilling Program |
| CA | Chromosomal Abberation |