| Acronym | Meaning |
| IGBP | International Geosphere Biosphere Programme |
| ITER | International Thermonuclear Experimental Reactor |
| HBL | Health Based Level |
| HERS | High Energy Range Spectrometer |
| VF | Valence Force (model In Bond Properties Calcns. In Solids) |
| INDC | International Nuclear Data Committee |
| CTD | C-terminal Domain |
| FBF | Forearm Blood Flow |
| CEM | Continuous Emissions Monitoring |
| BIOS | British Intelligence Objectives Sub-committee |