| Acronym | Meaning |
| GEWEX | Global Energy And Water Cycle Experiment |
| HTD | Hancock-Truhlar-Dykstra (potential Energy Surface) |
| SOP/ED | Split-operator Propagator (for) Electronically Diabatic (phenomena) |
| TRIPS | Trade-Related Aspects Of Intellectual Property Rights |
| EMR | Electron Magnetic Resonance |
| PIR | Protein Identification Resource |
| AFBC | Atmospheric Fluidized Bed Combustion |
| DLPCB | Dioxin-like Polychlorinated Biphenyl |
| VALE | Vacuum Atomic Layer Epitaxy |
| QLAR | Quantitative Localization Activity Relationship |