| Acronym | Meaning |
| SCAB | South Coast Air Basin |
| NTN | National Trends Network |
| QEEC | Quasimol. Extended Elementary Cell (for Electronic Structure Calcns. Of Crystals) |
| TDSE | Time-dependent Schroedinger Equation |
| LSW | Localized Spherical Wave (in Electronic Structure Calcns.) |
| HPAE | High Performance Anion Exchange |
| MAOP | Maximum Allowable Operating Pressure |
| IBS | Ion Backscattering Spectroscopy |
| PKA | Protein Kinase A |
| ACORE | Atomic Core Orbitals |