| Acronym | Meaning |
| HV | Vickers Hardness Number |
| MBP | Major Basic Protein |
| AFVC | Absorption Freeze Vapor Compression |
| RIM | Reaction-injection Molding |
| ZDDP | Zinc Dialkyl Dithiophosphate |
| PLI | Process Loading Intensity (of Biological Reactors) |
| QFDFT | Quantum-fluid Density-functional Theory |
| CCC | Critical Coagulant Concentration |
| MORTI | Mesopause Oxygen Rotational Temp. Imager |
| AOA | Angle Of Attack [propulsion] |