| Acronym | Meaning |
| TCA | Trichloroacetic Acid |
| SASS | Source Assessment Sampling System |
| PLCC | Plastic Leadless Chip Carrier |
| GCO | General Coupling Operator (in Calcns. Of Vector Coupling For Atoms And Ions) |
| IARC | International Agency For Research On Cancer |
| RKKR-GF | Relativistic Koringa-Kohn-Rostoker Green Function |
| SESAM | Semiconductor Saturable Absorber Mirror |
| MPDS | Moment-polarized Dirac-Slater |
| PEIS | Programmatic Environmental Impact Statement |
| CAEDYM | Computational Aquatic Ecosystems Dynamic Model |