| Acronym | Meaning |
| APS | Atom Probe Spectroscopy |
| EBIR | Energy Based Integral Retention (in Electronic-structure Calcns.) |
| DPA | Dipicolinic Acid |
| VEOMP | Valence-electron-only Model Potential (for Mol. SCF Calcns.) |
| FFE | Free Flow Electrophoresis |
| BCG | Bacillus Calmette-Guerin |
| TEMA | Tubular Exchanger Manufacturers Assocn. |
| LCGDO | Linear Combination Of Generalized Diatomic Orbitals |
| CRREL | US Army Cold Regions Research And Engineering Laboratory |
| LCM | Liquid Composite Molding |