| Acronym | Meaning |
| NHEXAS | National Human Exposure Assessment Survey |
| SMB | Simulated Moving Bed |
| SDA | Subsurface Disposal Area |
| SDECI | Singly And Doubly Excited Configuration Interaction |
| OEP | Odd-even (alkane/carbon) Predominance (geology) |
| FEBO | Free Energy Born-Oppenheimer |
| ICSI | Intracytoplasmic Sperm Injection |
| CAG | Continental-arc Granitoids |
| HIMP | Heavy Ion Microprobe |
| IPA | Inverted Perturbation Approach (in Mol. Potential-energy Curves Calcn.) |