| Acronym | Meaning |
| ARAC | Acid Rain Advisory Committee |
| WSD | Wear Scar Diameter |
| CGA | Compressed Gas Association |
| QRF | Quadratic Response Function (a Quantum Propagator) |
| MERLIN | Multi-element Radio-linked Interferometer Network |
| ASDEX | Axially Symmetric Divertor Expt. |
| LSS | Life-Span Study |
| MAST | Mega-Amp Spherical Tokamak |
| CSA | Chiral Solvating Agent |
| IDF | International Dairy Federation |