| Acronym | Meaning |
| INSPEC | Information Service For Physics And Engineering Communities |
| MCS | Media Cleanup Standard |
| APA | Adiabatic Perturbation Approxn. (for Quantum Calcns. On Fermi Superfluids) |
| MTBF | Mean Time Between Failure |
| OCOS | Orbital Charge-ordering State |
| TELS | Transmission Energy Loss Spectroscopy |
| TPN | Total Parenteral Nutrition |
| FBR | Fixed Bed Reactor |
| CISS | Constant-initial-state Spectroscopy |
| RAS | Reflectance Anisotropy Spectroscopy |