| Acronym | Meaning |
| DLD | Decoupled L-dominant Method (in Inelastic-scattering Calcns. |
| EPXMA | Electron Probe X-ray Microanalysis |
| CHELEQ | Charge Electronegativity Equalization |
| NTNCWS | Nontransient, Noncommunity Water Supplies |
| FSSW | Friction Super Stir Welding |
| RS | Rayleigh Schroedinger (perturbation Theory) |
| MEKC | Micellar Electrokinetic Chromatography |
| EO | Ethylene Oxide |
| EEPLD | Electrically Erasable Programmable Logic Device |
| DTP | Diphtheria |