| Acronym | Meaning |
| SEELFS | Surface Extended-energy-loss Fine-structure |
| LSDF | Local Spin Density Functional |
| SCRIBE | Stratospheric Cryogenic Interferometer Balloon Experiment |
| ADME | Absorption |
| UHF-CO | Unrestricted Hartree-Fock Crystal Orbital |
| MRA | Magnetic Resonance Angiography |
| HPSN | Hot-pressed Silicon Nitride |
| (SC)2CI | Self-consistent Size-consistent CI |
| PURPA | Public Utility Regulatory Policy Act |
| GRIN | Gradient Refractive Index |