| Acronym | Meaning |
| ZDDO | Zero Diatomic Differential Overlap |
| TFPI | Tissue Factor Pathway Inhibitor |
| OB/OD | Open Burn/open Detonation |
| HYPS | Hybrid Plasma Spraying |
| STORET | Storage And Retrieval Of U.S. Waterways Parametric Data |
| AUSM | Advanced Utility Simulation Model |
| DODS | Different Orbitals For Different Spins |
| 7-ACA | 7-aminocephalosporanic Acid |
| QRPA | Quadratic Random Phase Approxn. |
| EPZ | Emergency Planning Zone |