| Acronym | Meaning |
| CND | Circumnuclear Disk |
| TRIPS | Trade-Related Aspects Of Intellectual Property Rights |
| MCTDH | Multiconfigurational Time-dependent Hartree (theory) |
| MARS | Membrane Anaerobic Reactor System |
| NITFS | National Imagery Transmission Format Standard |
| OETP | Orbiter Electron Temp. Probe |
| EQL | Estimated Quantitation Limit |
| SFCCCC | Space-fixed Complex-coordinate Coupled-channel Method |
| JSR | Jet-stirred Reactor |
| AIP | American Institute Of Physics |