| Acronym | Meaning |
| LME | Layer Management Entity |
| M3 | M Cubed |
| GCE | Part Of EUROTRAC |
| MBONE | Multicast BackBONE |
| MPIF | Message Passing Interface Forum |
| OCTA | Oxidizing Capacity Of The Troposphere Atmosphere |
| SCF | Standard Cubic Feet |
| VM/CMS | Virtual Machine/Conversational Monitor System |
| GTE | Global Tropospheric Experiment |
| GAPS | Billions (109) Of Actions Per Second |