| Acronym | Meaning |
| DMOS | Diffused Metal-oxide Semiconductor |
| CD | Coulomb Dipole (in Electron-atom Impact Ionization Calcns.) |
| GEOS | General Earthquake Observation System |
| RCF | Relative Centrifugal Force |
| SSSD | Small-scale, Short-duration |
| CEPEX | Central Equatorial Pacific Experiment |
| SQW | Single Quantum Well |
| NSCR | Nonselective Catalytic Reduction |
| PUHF | (spin)-projected Unrestricted Hartree-Fock |
| PWEM | Partial-wave-expansion Method (in Electron Scattering Calcns.) |