| Acronym | Meaning |
| RESAM | Regional Soil Acidification Model |
| VD-RIOS | Vibrational Diabatic-rotational Infinite Order Sudden |
| ESPT | Electron Spin Polarization Transfer |
| AEDC | Arnold Engineering Development Center |
| PLZT | Lead Lanthanum Zirconate Titanate |
| PSEP | Polyhedral Skeletal Electron Pair (for Metal Clusters) |
| EDGAR | Electronic Data Gathering |
| DSID | Direct Sample Insertion Device |
| AACVD | Aerosol-assisted Chemical Vapor Deposition |
| CWC | United Nations Chemical Weapons Convention |