| Acronym | Meaning |
| GDF | Growth Differentiation Factor |
| HAA | Heterocyclic Aromatic Amine |
| PIN | Pesticide Information Network |
| BPB | Blood Lead |
| PISCES | Passive In-Situ Concn. Extn. Sampler |
| TCJJP | Tech. Committee For Juice And Juice Products |
| NDWBA | Normalized Distorted-wave Born Approximation |
| RPWBA | Relativistic Plane-wave Born Approximation |
| SVP | Schwinger Variational Principle |
| L2 | Square Integrable (wave Function) (in Electron-atom Or -mol. Collisions) |