| Acronym | Meaning |
| RPWBA-BC | RPWBA With Corrections For Increased Binding Energy And Coulomb Deflection |
| NHF | Nonrelativistic Numerical Hartree-Fock |
| CTF | Contrast-transfer Function |
| MSM | Multishell Method |
| PCV | Positive Crankcase Ventilation |
| POTDR | Polarization Optical Time Domain Reflectometry |
| AIRDAS | Airborne Infrared Disaster Assessment System |
| IAP | Intermittent Aeration Process (for Waste Treatment) |
| DHS | Department Of Health Services |
| TMR | Tunneling Magnetoresistance |