| Acronym | Meaning |
| IVA | Intravehicular Activity (related To Spacecraft) |
| AQS | Air Quality Subsystem (subsystem Of AIRS) |
| CIP | Configuration Interaction With Partner Orbitals |
| SAB | Science Advisory Board (USEPA) |
| MCWF | Monte-Carlo Wave Function (method In Study Of Dissipative Processes In Quantum Optics) |
| UMP | Uridine 5'-phosphate |
| COS | Cosmic Origins Spectrograph |
| NRL | Naval Research Laboratories |
| ESSESA | Expert System For Structure Elucidation From Spectral Analysis |
| ORD | Office Of Research And Development (USEPA) |