| Acronym | Meaning |
| AEC | Atomic Energy Commission |
| TRS | Transverse Rupture Strength |
| SATRAS | Satellite Transition Spectroscopy |
| DIC | Dissolved Inorganic Carbon |
| F/M | Food To Microorganism Ratio |
| IPAC | Infrared Processing And Analysis Center |
| EIT | EUV (extreme Ultraviolet) Imaging Telescope |
| AGCM | Adiabatic Generator Coordinate Method (for Energy Level Calcn.) |
| TROSY | Transverse Relaxation-optimized Spectroscopy |
| CWP | Coal Workers' Pneumoconiosis |