| Acronym | Meaning |
| PCM | Phase-change Material (in Heat Storage) |
| TEO | Topological Equivalent Orbital |
| EDW | Exchange Distorted-wave |
| DTA | Direct Toxicity Assessment (of Wastewater Discharges) |
| ACGIH | American Conference Of Governmental Industrial Hygienists |
| NEET | National Environmental Education And Training Program |
| RTNS | Rotating Target Neutron Source |
| OPM | Optimized Potential Model |
| FOG | Fats, Oil, And Grease |
| DCMD | Direct Contact Membrane Distillation |