| Acronym | Meaning |
| PIRU | Public Information Reference Unit |
| PBPD | Physiologically Based Pharmacodynamic |
| MBTH | 3-methyl-2-benzothiazolinone Hydrazone |
| HSX | Helically Symmetric Experiment |
| FOM | Figure Of Merit |
| SS-MR-CC | State-selective Multireference Coupled-cluster |
| ERP | Environmental Review Process |
| PADS | Photoacoustic Deflection Spectroscopy |
| DWBC | Deep Western Boundary Current |
| PURPA | Public Utility Regulatory Policy Act |