| Acronym | Meaning |
| IMPDH | Inosine-5'-monophosphate Dehydrogenase |
| OSCAR | Oxidn. And Scavenging Characteristics Of April Rains |
| QCD | Quantum Chromodynamics |
| CLIC | Compact LInear Collider |
| TMC | Titanium Matrix Composite |
| ESD | Electron-stimulated Desorption |
| NOET | NASA Operational Environment Team |
| ISAAC | International Study Of Asthma And Allergies In Childhood |
| BABB | Back Arc Basin Basalt |
| STERAO | Stratosphere-Troposphere Experiments: Radiation |