| Acronym | Meaning |
| MAOS | Microwave-assisted Organic Synthesis |
| LFC | Loss-free Counting |
| PCA | Procoagulant Activity |
| SCAQS | Southern California Air Quality Study |
| RHFO | Relativistic Hartree-Fock One-channel (for Scattering) |
| SOP | Standard Operating Procedure |
| KBDS | Knowledge-based Design System |
| NAA | Nonattainment Area |
| LT1ESWTR | Long Term 1 Enhanced Surface Water Treatment Rule |
| ISDN | Isosorbide Dinitrate |