| Acronym | Meaning |
| MQO | Measurement Quality Objective |
| RASS | Ratio Acoustic Sounding System |
| DDQRPA | Double Direct Quadratic Random Phase Approximation |
| LPUMP | L-fold (spin) Projected Unrestricted Moeller-Plesset |
| ICI | Industrial, Commercial, And Institutional |
| JME | Juvenile Myoclonic Epilepsypar |
| TER | Total External Reflection |
| ZIA | Zone Immunoassay |
| ADIS | Advanced Drilling Information System [petroleum] |
| MAST | Mega-Amp Spherical Tokamak |