| Acronym | Meaning |
| FPKKR | Full-potential Korring-Kohn-Rostoker |
| PTA | Packed Tower Aeration |
| CERES | Coalition For Economically Responsible Economies |
| AEPS | Auger Electron Appearance Potential Spectroscopy |
| HALOE | Halogen Occultation Experiment |
| IND | Investigational New Drug |
| ICP | Interactive Correlation Partitioning |
| DNC | Delayed Neutron Counting |
| SWTR | Surface Water Treatment Rule |
| LCM | Liquid Composite Molding |