| Acronym | Meaning |
| WKB | Wentzel-Kramers-Brillouin (phase-shift Formula For Potential Scattering) |
| BA | Best Atom (basis Set) |
| ECM | Electrochemical Machining |
| MICROSS | Micro-computer Based River Oil Spill Simulation |
| DIGS | Disorder-induced Gap State |
| TSD | Treatment, Storage, Or Disposal |
| APEG | Alkaline Polyethylene Glycolate |
| RATM | Renormalized Average T-matrix (for D.-of-states Calcns.) |
| ISTH | International Society On Thrombosis And Hemostasis |
| LINE | Long Interspersed Element |