| Acronym | Meaning |
| ATCM | Air Toxics Control Measure |
| CMA | Cylindrical Mirror Analyzer |
| BER | Base Excision Repair |
| ZF-NQR | Zero-field-nuclear Quadrupole Resonance |
| AU | Astronomical Unit |
| AACG | American Association For Crystal Growth |
| MIC | Minimal Inhibitory Concentration |
| HTD | Hancock-Truhlar-Dykstra (potential Energy Surface) |
| PIMD | Path Integral Molecular Dynamics |
| QEEC | Quasimol. Extended Elementary Cell (for Electronic Structure Calcns. Of Crystals) |