| Acronym | Meaning |
| 2MASS | Two Micron All-Sky Survey |
| ESD | Element-Specific Detector |
| MB-SAPT | Many-body Symmetry-adapted Perturbation Theory |
| NEMA | National Electrical Manufactures Association |
| QISM | Quantum Inverse Scattering Method |
| ETANN | Electronically Trainable Analog Neural Network |
| IWW | Industrial Wastewater |
| EROS | Earth Resources Observation Satellite |
| BUN | Blood Urea Nitrogen |
| TRI | Toxic Release Inventory |