| Acronym | Meaning |
| FBL | Fixed Bed Loop |
| MP4(DQ) | Moeller-Plesset Perturbation Treatment To Fourth Order In The Space Of Double And Quadruple Substitutions |
| IMMA | Ion Microprobe Mass Analysis |
| SLPI | Secretory Leukocyte Protease Inhibitor |
| ALOTS | Airborne Lightweight Optical Tracking System |
| PVF | Poly(vinyl Fluoride) |
| BXE | Bombardment-induced X-ray Emission |
| PAG | Periaqueductal Gray |
| HNF | Hepatocyte Nuclear Factor |
| GWDR | Ground Water Disinfection Rule |