| Acronym | Meaning |
| NETA | National Environmental Training Association |
| TLR | Toll-like Receptor |
| AFR | Air To Fuel Ratio |
| MWCO | Molecular Weight Cut-off (in Membrane |
| NIA | National Institute On Aging |
| RSD | Relative Standard Deviation |
| BSDF | Bidirectional Scatter Distribution Function |
| AUSM | Advanced Utility Simulation Model |
| NRIOSA | Nonreactive Infinite-order Sudden Approxn. |
| AQSA | Anthraquinone-2-sulfonic Acid |