| Acronym | Meaning |
| VEELS | Valence Electron Energy-loss Spectroscopy |
| QMO | Quaternionic Molecular Orbital Method |
| AURA | Association Of Universities For Research In Astronomy |
| POA | Preoptic Area |
| MTB | Mycobacterium Tuberculosis |
| PBX | Plastic Bonded Explosive |
| BFAF | Beamformer Antialiasing Filter |
| PILC | Pillar Interlayered Clays |
| WPCP | Water Pollution Control Plant |
| ORPA | Optimized Random Phase Approximation |