| Acronym | Meaning |
| SGI | Silicon Graphics Inc. |
| NICI | Negative Ion Chemical Ionization |
| E-MAIL | Electronic Mail |
| DC | Dublin Core--metadata |
| PASIN | Particle-Matter Airborne Sampling Inlet Experiment |
| LASERS | Learning About Science Easily And Readily |
| MFE | Magnetic Field Experiment |
| AMTS | Advanced Moisture And Temperature Sounder |
| HL | Half Life |
| MPDATA | Multidimensional Positive Definite Advection Algorithm |