| Acronym | Meaning |
| XPD | X-ray Photoelectron Diffraction |
| LIT | Linear Ion Trap |
| AWBERC | Andrew W. Breidenbach Environmental Research Center (US EPA) |
| MFO | Mixed-function Oxidase |
| PENIS | Proton-enhanced Nuclear Induction Spectroscopy |
| CDE | Collective Dose Equivalent |
| CVPT | Canonical Van Vleck Perturbation Theory |
| LAAFS | Laser Ablation Atomic Fluorescence Spectroscopy |
| ERCS | Elastic Recoil Coincidence Spectroscopy |
| SCTDA | Separated Channel Tamm-Dancoff Approxn. |