| Acronym | Meaning |
| PSID | Photon Stimulated Ion Desorption |
| HPCPC | High Performance Centrifugal Partition Chromatography |
| SPG | Shirasu Porous Glass |
| DRG | Dorsal Root Ganglion |
| FGRM | Fourier-grid R-matrix Formalism (in Scattering Problems) |
| VNS | Vicarious Nucleophilic Substitution |
| PNC | Parity Nonconservation |
| BOCLE | Ball-on Cylinder Lubricity Evaluator |
| HFDA | Hexafluoroisopropylidene-2 |
| SOEH | Scaled One-electron Hamiltonian (in SCF Calcns. On Mols.) |