| Acronym | Meaning |
| PEPECO | Photoelectron-photoelectron Coincidence |
| TEA | Transversely-excited Atmospheric Pressure |
| IGBP | International Geosphere Biosphere Programme |
| TCM | Transport Control Measures |
| REAPDOR | Rotational-echo Adiabatic-passage Double-resonance |
| GAXRD | Glancing Angle X-ray Diffraction |
| SCS | Semiclassical Coupled-states |
| AMPD | AMP Deaminase |
| NSDL | National Science Digital Library |
| MQC | Multiple-quantum Coherence |