| Acronym | Meaning |
| LCAS MS | Linear Combination Of Atomic Spinors-molecular Spinors |
| APCAR | Angular Correlation Of Positron Annihilation Radiation |
| MRSD-CI+P | MRSD-CI (with) Pople Correction |
| TMP | Turbomolecular Pump |
| CBRNE | Chemical, Biological, Radiological, Nuclear, Explosive |
| LPGD | Low-pressure Gas Discharge |
| SCG | Slow Crack Growth |
| PCF | Photonic Crystal Fiber |
| EESOP | Electronegativity Equalization With S-orbital Participation |
| UKMO | United Kingdom Meteorological Office |