| Acronym | Meaning |
| TBW | Total Body Water |
| OMBD | Organic Molecular Beam Deposition |
| RVC | Reticulated Vitreous Carbon (electrode) |
| PW-TDSE | Plane Wave-time Dependent Schroedinger Equation |
| FOB | Fecal Occult Blood |
| MHA | Mott-Hubbard-Anderson (model In Band-structure Calcns.) |
| HMM | Hidden Markov Model |
| FIOR | Fluid Iron Ore Reduction |
| ARCS | Alternative Remedial Contracting Strategy (US EPA) |
| DFA | Dual Fouling Apparatus |