| Acronym | Meaning |
| MLIS | Molecular Laser Isotope Separation |
| PKA | Protein Kinase A |
| MPI | Mass Psychogenic Illness (in Indoor Air Pollution) |
| SOLED | Stacked Organic Light Emitting Device |
| MC | Metal Carbide |
| CAAA | Clean Air Act Amendments (of 1990) |
| TAI | Thermal Alteration Index |
| ZEKE | Zero Electron Kinetic Energy |
| CSIR | Council For Scientific And Industrial Research (South Africa) |
| PPLO | Pleuropneumonia-like Organism |