| Acronym | Meaning |
| PSI | Pounds Per Square Inch |
| NIXSW | Normal Incidence X-ray Standing Wave |
| ECAFM | Electrochemical Atomic Force Microscopy |
| ABG | Arterial Blood Gas |
| CBP | Combustion By-Product (from Incineration) |
| MCPA | Molecular Coherent-potential Approximation |
| NSR | Normalized Stoichiometric Ratio |
| CVA | Canonical Variate Analysis |
| STEP | Solar Terrestrial Energy Program |
| SCIT | Standing Committee On Information Technologies |