| Acronym | Meaning |
| MOVFF | Modified Orbital Valence Force Field |
| HTTP | Hypertext Transfer Protocol |
| VLT | Very Large Telescope |
| HSIA | Halogenated Solvents Industry Alliance |
| PIDIE | Plutonium Isotopic Detn. Intercomparison Exercise |
| RAM | Renormalized Atom Model (for Electronic-structure Calcns.) |
| VQP | Variable Quadratic Propagator (in Quantum Calcns.) |
| LECD | Lifetime Equivalent Constant Dose |
| WMO | World Meteorological Organization |
| PKC | Protein Kinase C |