| Acronym | Meaning |
| CERL | Construction Engineering Research Laboratory (US Army) |
| ECPSSR | Energy-loss Coulomb-repulsion Perturbed-stationary-state Relativistic Theory |
| GDOS | Glow Discharge Optical Spectroscopy |
| NLLAP | National Lead Laboratory Accreditation Program |
| UMO | Unmodified Molecular Orbital |
| SNOM | Scanning Near-field Optical Microscopy |
| PNO | Pair Natural Orbital |
| KISS | KPNO International Spectroscopic Survey |
| EAP | Emission Assessment Program |
| PRINS | Primed In Situ DNA Synthesis |