| Acronym | Meaning |
| FLNS | Fluorescence Line-narrowing Spectroscopy |
| GHRS | Goddard High Resolution Spectrograph |
| BCS-CRM | British Chemical Standard-Certified Reference Material |
| BAAQMD | Bay Area Air Quality Management District |
| GCHF | Generator Coordinate Hartree-Fock |
| BIB | Blocked Impurity Band |
| ELFSE | End-labeled Free-solution Electrophoresis |
| IECT | Impulsive Ergodic Collision Theory |
| RSPT | Rayleigh-Schroedinger Perturbation Theory |
| RVCM | Renormalized Virtual-crystal Method (for Electronic Structure) |