| Acronym | Meaning |
| ARMA | Autoregressive-moving Average Stochastic Model |
| CRH | Corticotropin-releasing Hormone |
| USN | Ultrasonic Nebulizer |
| PAX | Photoemission Of Adsorbed Xenon |
| DPT | Degenerate Perturbation Theory |
| LEISS | Low-energy Ion-scattering Spectroscopy |
| CPA | Coherent Potential Approximation |
| CAL | Computer Aided Learning |
| BTCA | Best Technology Currently Available |
| LQG | Loop Quantum Gravity |