| Acronym | Meaning |
| HTU | Height Of Transfer Unit (in Packed Tower Aeration System) |
| CASH | CaO-Al2O3-SiO2-H2O System |
| GPCR | G-protein-coupled Receptor |
| SLPM | Standard Liters Per Minute |
| MRF | Material Recovery Facility |
| EPR | Ethylene-propylene Rubber |
| LIP | Laser-induced Plasma |
| PEOE | Partial Equalization Of Orbital Electronegativity (model) |
| XTM | X-ray Tomographic Microscopy |
| ANG II | Angiotensin II |