| Acronym | Meaning |
| RNO | Reaction Natural Orbital |
| ESHRE | European Society For Human Reproduction And Embryolog |
| RITD | Resonant Interband Tunneling Diode |
| ASTER | Advanced Spaceborne Thermal Emission And Reflection Radiometer (EOS) |
| LVP | Left Ventricular Pressure |
| MTC | Magnetization Transfer Contrast |
| HERAC | Health And Environmental Research Advisory Committee |
| ITDHO | Improved Time-dependent Harmonic Oscillator |
| PAEP | Photovoltaic Array Environmental Protection Program |
| WT | Wild Type |