| Acronym | Meaning |
| HLR | Hydraulic Loading Rate |
| ADE | (thermal) Adsorption-desorption Equilibrium |
| SLG | Strictly Localized Geminal |
| ANADA | Abbreviated New Animal Drug Application |
| NETAC | National Environmental Technol. Applications Corporation |
| ASH | Air-sparged Hydrocyclone |
| IR | Isoprene Rubber |
| LHSF | Local Hyperspherical Surface Functions (in Quantum Calcns. On Reactive Scattering) |
| IGBT | Insulated Gate Bipolar Transistor |
| OMPW | Orthogonalized Modulated Plane Wave (wave Function) |