| Acronym | Meaning |
| NLC | Noctilucent Cloud |
| FIBOS | Focused Ion Beam Optical Spectroscopy |
| SNP | Sodium Nitroprusside |
| QET | Quasi-equilibrium Theory |
| PEHX | Cross-linked |
| DZDP | (double Zeta)-diffuse-polarization (basis Set In Configuration-mixing Mo Calcns. On Mols.) |
| HDP | High-density Plasma |
| PYS | Partial Yield Spectroscopy |
| HEIWIP | Heterojunction Interfacial Workfunction Internal Photoemission |
| DMPK | Myotonic Dystrophy Protein Kinase |