| Acronym | Meaning |
| ESP | Electrostatic Precipitator |
| CEAREX | Coordinated Eastern Arctic Experiment |
| RDI | Reference Daily Intake |
| PEN | Personal Electronic Notebook |
| CFB | Circulating Fluidized Bed |
| RAS | Renin-angiotensin System |
| TLS | Two-level System (with Tunneling Transitions Between Wells Of Double-well Potential) |
| SBAR | Sequencing Batch Anaerobic Reactor(s) |
| FP-SCF-INDO | Finite Perturbation-SCF-INDO |
| LST | Light Scattering Tomography |