| Acronym | Meaning |
| XSW | X-ray Standing Wave |
| TC/MS | Thermal Chromatography/mass Spectrometry |
| LSDSIC | Local-spin-density Self-interaction-correction Approxn. (in Total Energy Calcns. For Atoms) |
| MCPA | 2-methyl-4-chlorophenoxyacetic Acid |
| SMILES | Superconducting Sub-Millimeter-wave Limb Emission Sounder |
| MESFET | Metal Semiconductor Field-effect Transistor |
| QCL | Quantum Cascade Laser |
| AIHA | Autoimmune Hemolytic Anemia |
| TRD | Transition Radiation Detector |
| OGCM | Oceanic General Circulation Model |