| Acronym | Meaning |
| MECOP | Modified Electron Correlation Polarization (potential) |
| NEET | National Environmental Education And Training Program |
| ECP | Eosinophil Cationic Protein |
| RTT | Resonant Tunneling Transistor |
| SAB | Substratum-aerated-biofilm Reactor |
| CBO | Corrected Born-Oppenheimer (in Calcns. For Mol. Complexes) |
| PCMI | Pellet Cladding Mechanical Interaction |
| PSG | Phosphosilicate Glass |
| IPS | Inclined Plate Settler (for Wastewater Treatment) |
| QBO | Quasi-biennial Oscillation (atm.) |