| Acronym | Meaning |
| RDE | Rotating Disk Electrode |
| NPAR | Nonbinding Preliminary Allocation Of Responsibility |
| PILA | Publishers International Linking Association |
| CT | Charge Transfer |
| UKB | Unrestricted Kinetic Balance (in Calcns. Of Wave Functions And Energies) |
| XAPS | X-ray Appearance Potential Spectroscopy |
| HAZWRAP | Hazardous Waste Remedial Actions Program |
| WQA | Water Quality Association |
| IBR | Infectious Bovine Rhinotracheitis |
| NLC | Noctilucent Cloud |