| Acronym | Meaning |
| ETA | Eigenstructure Tracking Analysis |
| AFIS | Advanced Fiber Information System |
| CRM | Chemical Remanent Magnetization |
| SRP | Soluble Reactive Phosphorus |
| CEM | Corrected Effective Medium (for Atomic Interactions) |
| BART | Biological Activity Reaction Test |
| NTI | Negative Thermal Ionization (for Mass Spectrometry) |
| OPDIN | Ocean Pollution Data And Information Network |
| RARE | Rapid Acquisition Relaxation-enhanced |
| LMCT | Ligand-to-metal Charge Transfer |