| Acronym | Meaning |
| CSGT | Continuous Set Of Gauge Transformations |
| GEXRS | Grazing-exit X-ray Spectrometry |
| HUFA | Highly Unsaturated Fatty Acids |
| SMOW | Standard Mean Ocean Water |
| PADS | Photoacoustic Deflection Spectroscopy |
| HANS | Heavy Aromatic Naphtha Solvent |
| DSO-GF | Diagonal Second Order (approxn. To)-Green Function |
| XBIS | X-ray Bremsstrahlung Isochromat Spectroscopy |
| RUSLE | Revised Universal Soil Loss Equation (erosion Model) |
| CEGB | Central Electricity Generating Board |