| Acronym | Meaning |
| QAS | Quality Assurance Standard |
| MFAG | Medical First Aid Guide For Use In Accidents Involving Dangerous Goods |
| FORS | Fully Optimized Reaction Space |
| MCDW | Matrix Continuum Distorted Wave |
| SRCC | Single-reference Coupled-cluster |
| PTCR | Positive Temperature Coefficient Of Resistance (of Semiconductors) |
| QCD | Quantum Chromodynamics |
| FIRST | Far Infrared And Submillimetre Space Telescope |
| MUCS | Minimum-uncertainty Coherent States (wave Functions) |
| PWSB | Plane-wave Second Born |