| Acronym | Meaning |
| DQT | Dissipative Quantum Tunneling (theory) |
| CSF | Configuration Spin Function (a Wave Function) |
| MCV | Mesoscale Convective Vortex |
| ESSP | Earth Systems Science Pathfinder |
| DOAS | Differential Optical Absorption Spectroscopy |
| COSCAT | Coherent Scatter System |
| BCKD | Branched-chain Alpha-ketoacid Dehydrogenase |
| CTB | Computer Technology Branch |
| RMBPT | Relativistic Many-body Perturbation Theory |
| LHSV | Liquid Hourly Space Velocity |