| Acronym | Meaning |
| HWRA | Hazardous Waste Reduction Act |
| HQSAR | Holographic Quantitative Structure-activity Relationship |
| DLCA | Diffusion Limited Cluster Aggregation |
| EBRT | Empty-bed Residence Time |
| EI | Electron Impact |
| ONDOR | Optical Nuclear Double Resonance |
| CAPP | Computer Aided Process Planning |
| PNET | Primitive Neuroectodermal Tumor |
| VCD | Vapor Compression Distillation |
| CBE | Coulomb-Bethe (for Electron-ion Scattering) |