| Acronym | Meaning |
| ELF | Electron Localization Function |
| CRD | Cavity Ring Down |
| LVM-ST | Least-squares Variational Method (involving Only) Square-integrable (test Functions) (for Wave Functions In Scattering) |
| DPASV | Differential Pulse Anodic Stripping Voltammetry |
| PLID | Pulsed Laser Induced Desorption |
| CRDL | Contract Required Detection Limit(s) |
| NLMO | Nonorthogonal Localized Molecular Orbital |
| WQR | Waste Form Qualification Report |
| HIRLAM | High Resolution Limited Area Model |
| PBC | Primary Biliary Cirrhosis |