| Acronym | Meaning |
| IISI | International Iron And Steel Institute |
| NSWS | National Surface Water Survey |
| SIXA | Silicon X-ray Array |
| IGY | International Geophysical Year |
| GRE | Glucocorticoid-responsive Element |
| B3LYP | A Density Functional Method Due To Lee |
| MIGD | Million Imperial Gallon Per Day |
| 3DAP | Three Dimensional Atom Probe |
| GLF | Gaussian Lobe Function |
| PRT | Platinum Resistance Thermometer |