| Acronym | Meaning |
| QENS | Quasielastic Neutron Scattering |
| INTEGRAL | International Gamma-Ray Astrophysics Laboratory |
| HMA | Hybrid Microelectronics Assembly |
| RMSEP | Root-mean-square Error Of Prediction |
| LAEC | Lowest Achievable Emission Rate |
| NELAP | National Environmental Laboratory Accreditation Program |
| EUSO | Extreme Universe Space Observatory |
| BEST | Basic Extractive Sludge Treatment |
| ICRF | Ion Cyclotron Range Of Frequencies |
| MTPE | Mission To Planet Earth |