| Acronym | Meaning |
| ECLSS | Environmental Control And Life Support System |
| TDM | Truncated Diagonalization Method |
| MC-DWBA | Multichannel Distorted Wave Born Approxn. |
| WORM | Write Once Read Many |
| STEAM | Stimulated Echo Acquisition Mode |
| ETEAO | Even-tempered Exponential Atomic Orbital |
| TDWP | Time-dependent Wave Packet |
| AQCC | Averaged Quadratic Coupled-cluster |
| EST | Expressed Sequence Tag |
| CGPS | Canadian Galactic Plane Survey |