| Acronym | Meaning |
| SSC | Sudden Storm Commencement (magnetic Storm) |
| SUPERDARN | Super Dual Auroral Radar Network |
| ELS | Energy Loss Spectroscopy |
| SHG | Second Harmonic Generation |
| FARM | Fixed-angle Reactor Model (in Quantum Calcns. On Reactive Scattering) |
| NIEM | Noniterative Integral Equation Method |
| CHMOS | Complementary High-performance Metal-oxide Semiconductor |
| HREELS | High-resolution Electron Energy-loss Spectroscopy |
| IRMPA | Infrared Multiphoton Absorption |
| TMV | Tobacco Mosaic Virus |