| Acronym | Meaning |
| BSAF | Biota-to-sediment Accumulation Factor |
| PPLN | Periodically Poled Lithium Niobate |
| HEXS | High-energy X-ray Scattering |
| MBPLS | Multiblock Partial Least Squares |
| PFWM | Parametric Four-wave Mixing |
| EDGAR | Electronic Data Gathering |
| GAGP | Generalized Antisymmetrized Geminal Power (wave Function) |
| NMMO | N-methylmorpholine N-oxide |
| CIPSO | Configuration Interaction (with) Perturbation (including) Spin-orbit Coupling |
| T-GAS | Trace Gas Accounting System |