| Acronym | Meaning |
| O-O | Object-oriented |
| APM | Axial Power Monitor |
| RPM | Revolutions Per Minute |
| AO | Annotated Outline |
| ABFEL | Air-based Free-electron Laser |
| EPICS | Energetic Pion Channel And Spectrometer |
| MOCCA | Mobile Operations Center For Communication And Analysis |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |
| ERICA | Experiment On Rapidly Intensifying Cyclones And Anticyclones |
| INPE | Instituto De Pesquisas Espaciais |