| Acronym | Meaning |
| HAC | High Alumina Cement |
| ISTO | Industry Standards And Technology Organization |
| XBIS | X-ray Bremsstrahlung Isochromat Spectroscopy |
| ROSE | Residual Organic Substance Emissions |
| MET | Multichannel Eikonal Theory (in Atom Electron-impact Excitation) |
| BIS | Bureau Of Indian Stds. |
| FASS | Field-amplified Sample Stacking |
| LDC | Liq. Dynamic Compaction |
| SEHF | Spin-extended Hartree-Fock |
| LTBRM | Lanczos Tight Binding Recursion Method |