| Acronym | Meaning |
| HDES | Hydrodynamic Equilibrium System |
| GPEF | Generalized Potential Energy Function |
| MEMS | Microelectromechanical Systems |
| TSE | Transmissible Spongiform Encephalopathies |
| RCF | Relative Centrifugal Force |
| NAEG | Nevada Applied Ecology Group (of US Department Of Energy) |
| FBCB | Fixed Bed Circulating Bioreactor (for Wastewater Treatment) |
| BEKP | Backscattered Electron Kikuchi Pattern |
| APHEA2 | Air Pollution And Health: A European Approach 2 |
| ROS | Restricted (or Roothaan) Open-shell (Hamiltonian) |