| Acronym | Meaning |
| TOVS | TIROS Operational Vertical Sounder |
| SAMO | Simulated Ab Initio Molecular Orbital |
| GDO | Generalized Diatomic Orbital |
| QSR | Quality Status Report (of North Sea Task Force) |
| AMSA | Association Of Metropolitan Sewerage Agencies |
| ORU | In Orbit Replaceable Unit (spacecraft) |
| LMO | Localized Molecular Orbital |
| WEEL | Workplace Environmental Exposure Limits |
| ISBN | International Standard Book Number |
| SUV | Standardized Uptake Value |