| Acronym | Meaning |
| REA | Relaxed Eddy Accumulation |
| PDG | Patent Documentation Group |
| NPTN | National Pesticide Telecommunications Network |
| RPJ | Radio-frequency Plasma Jet |
| SBIG | Subject-based Information Gateway |
| PO | Projection Operator |
| CSD | Correlated Single Determinant (wave Function) |
| GSH-PX | Glutathione Peroxidase |
| HETA | Hazard Evaluation Technical Assistance Branch (NIOSH) |
| ADWIOS | Adiabatic Distorted Wave Infinite Order Sudden |