| Acronym | Meaning |
| BALP | Bone Alkaline Phosphatase |
| IMT | Ion Microtomography |
| TLS | Two-level System (with Tunneling Transitions Between Wells Of Double-well Potential) |
| LCTF | Liquid Crystal Tunable Filter |
| SCTDA | Separated Channel Tamm-Dancoff Approxn. |
| TPY | Total Photon Yield |
| IOHA | International Occupational Hygiene Association |
| CDSI | Committee On The Dissemination Of Scientific Information |
| ADWIOS | Adiabatic Distorted Wave Infinite Order Sudden |
| TCS | Target Current Spectroscopy |