| Acronym | Meaning |
| NESCAUM | North East States Coalition For Air Use Management |
| PPLO | Pleuropneumonia-like Organism |
| TMDSC | Temperature-modulated Differential Scanning Calorimetry |
| LDV | Laser Doppler Velocimetry |
| YBCO | Yttrium Barium Copper Oxide |
| DOR | Delta Opioid Receptor |
| SAACGS | State Ambient Air Concentration Guidelines Or Standards |
| RLMTO | Relativistic Linear Muffin-tin Orbital |
| SSA | Spherical Sector Analysis |
| CISA | Continuum Intermediate-state Approxn. (for Scattering) |