| Acronym | Meaning |
| ITTFA | Iterative Target Transformation Factor Analysis |
| ZHEV | Zero-Headspace Extraction Vessel |
| IBMK | Isobutyl Methyl Ketone |
| AOQL | Average Outgoing Quality Limit |
| CACGP | Committee On Atmospheric Chemistry And Global Pollution |
| EKLF | Erythroid Kruppel-like Factor |
| SDR | Spin-dependent Resonance |
| RTFDW | Relativistic Thomas-Fermi-Dirac-Weizsaecker (electron-d. Theory) |
| CTC | Charge-transfer Complex |
| RCM | Rotated-coordinate Method |