| Acronym | Meaning |
| LEM | Laboratory Environment Model |
| K-SLM | KSC Spacelab Plan/Requirement |
| VM | Virtual Memory |
| SPAH | Spacelab Payload Accommodations Handbook |
| KBPS | Kilobits Per Second |
| LOE | Level Of Effort |
| HMS | History Memory System |
| ANSI | American National Standard Institute |
| MES | Main Engine Start |
| CD | Candella (Luminous Intensity) |