| Acronym | Meaning |
| EBIR | Energy Based Integral Retention (in Electronic-structure Calcns.) |
| RGA | Residual Gas Analysis |
| MEPAS | Multimedia Environmental Pollution Assessment System |
| PD | Photoelectron Diffraction |
| MRF | Myogenic Regulatory Factor |
| HFET | Heterostructure Field Effect Transistor |
| BIS | Bureau Of Indian Stds. |
| DCRF | Die Casting Research Foundation |
| NVSM | Nonvolatile Semiconductor Memory |
| FAB | Fast Atom Bombardment (mass Spectrometry) |