| Acronym | Meaning |
| IXS | International XAFS Society |
| DSPB | Distorted-wave Strong-potential Born (approxn.) |
| SCE | Sister Chromatid Exchange |
| FMD | Foot And Mouth Disease |
| USLE | Universal Soil Loss Equation (erosion Model) |
| DSDP | Deep Sea Drilling Project |
| TCM | Total Capacitance Method |
| NGPSA | Natural Gas Pipeline Safety Act |
| CCMC-T2 | Coupled-cluster Multiconfigurational (double-excitation Method With Cluster Operator Approximated By T2) |
| ROM | Reactive Oxygen Metabolite |