| Acronym | Meaning |
| ARAMS | Advanced Regional Atmospheric Modeling System |
| IAC | Immunoaffinity Chromatography |
| GPCR | G-protein-coupled Receptor |
| CTF | Contrast-transfer Function |
| POA | Peierls-Onsager Approxn. (in Electronic Structure Calcns.) |
| EFD | Explicit Finite Difference |
| HFS | Hyperfine Structure |
| ACAR | Angular Correlation Of Annihilation Radiation |
| CSHO | Compliance Safety & Health Officer |
| PCE | Tetrachloroethylene (perchloroethylene Or Perk) |