| Acronym | Meaning |
| CSDP | Continental Scientific Drilling Program |
| BEES | Ballistic Electron Emission Spectroscopy |
| PC-TD-SCF | Perturbation-corrected Time-dependent SCF |
| SURF III | Synchrotron UV Radiation Facility (at NIST) |
| GWPS | Groundwater Protection Standard |
| PBP | Penicillin Binding Protein |
| BEW | Base (or Biological) Equivalent Weight |
| NBRF | National Biomedical Research Foundation |
| CMX | Connected-moments Expansion |
| OCE-DF | One-center Expansion Dirac-Fock |