| Acronym | Meaning |
| SDWA | Safe Drinking Water Act |
| ESP | Elimination Of Solvation Procedure |
| GE-PIXE | Grazing-exit Particle-induced X-ray Emission |
| HPPM | Hole-particle Potential Model (in Mol. Excited States Calcns.) |
| HSS | High-speed Steel |
| DCFCI | Density-constrained Full-configuration-interaction |
| TDHF | Time-dependent Hartree-Fock Method |
| ARS | Autonomously Replicating Sequence |
| GOCO | Government-owned |
| RIP | Ribosome-inactivating Protein |