| Acronym | Meaning |
| XRR | X-ray Reflectometry |
| RASSI | Restricted Active Space State Interaction |
| BRITE | Basic Research In Industrial Technologies For Europe |
| NVP | Newton Variational Principle |
| NCRP | National Council On Radiation Protection |
| BSFC | Break Specific Fuel Consumption |
| SANDS | Stratospheric Aitken Nuclei Detection System |
| TSLP | Thymic Stromal Lymphopoietin |
| CT | Disinfectant Concn. Times The Contact Time |
| NPY | Neuropeptide Y |