| Acronym | Meaning |
| IAA | Indole-3-acetic Acid |
| OPIT | Oxide Powder In Tube |
| TSP | Total Suspended Particles |
| STN | Super Twisted Nematic |
| ISV | Initial Settling Velocity |
| SBP | Systolic Blood Pressure |
| HMQC | Heteronuclear Multiple-quantum Coherence |
| ROBO | Rotating Bond Order (model In Potential Surface Calcns.) |
| RBS | Rutherford Backscattering Spectrometry |
| CIRRUS-1A | Cryogenic IR Radiance Instrumentation For Shuttle |