| Acronym | Meaning |
| LCC | Life Cycle Cost |
| DMS | Data Management System |
| EXCEL | Experimental Chloride Extraction Line |
| RCAG | Remote-controlled Air-to-ground |
| GEF | Global Environmental Facility |
| ACRIM II | Active Cavity Radiometer Irradiance Monitor |
| MIDI | Musical Instrument Digital Interface |
| ATV | Ariane Transfer Vehicle |
| ACSE | Association Control Service Element |
| SOFAR | Sound |