| Acronym | Meaning |
| MA | Maleic Anhydride |
| DOS | Density Of States (in Band Structures) |
| AQO | Average Quadrupole Orientation |
| SCCEH | Self-consistent Charge Extended Hueckel Method |
| DZD | (double Zeta)-diffuse (basis Set In Configuration-mixing MO Calcns. On Mols.) |
| SAGFET | Self-aligned Gate Field Effect Transistor |
| SGMP | Sol-gel-microsphere Pelletization |
| BAZ | Best Atom Zeta Basis Set |
| IMPATT | Impact Avalanche Transit-time |
| D/DBP | Disinfection And Disinfection Byproducts |