| Acronym | Meaning |
| TEO | Topological Equivalent Orbital |
| NTDB | National Trade Databank |
| EIIP | Emission Inventory Improvement Program |
| LCTAO | Linear Combination Of Traveling Atomic Orbitals |
| SEM | Scanning Electron Microscopy |
| TMC | Thick Molding Compound |
| NIRS | National Inorganics And Radionuclides Survey |
| MESI | Membrane Extn. With A Sorbent Interface |
| NNRTI | Non-nucleoside Reverse Transcriptase Inhibitor |
| PCOP | Positron Correlation Polarization (potential) |