| Acronym | Meaning |
| CALLS | California Academia Libraries List Of Serials |
| WWRP | World Weather Research Programme |
| AGI | American Geological Institute |
| HSMT | Helical Scan Magnetic Tape |
| UNU | United Nations University |
| TIROS | Television And Infrared Operational Satellite |
| EXPRS | EXpendable Probe Receiver System |
| MFP | Mean Free Path |
| ALT/RA | Altimeter/Radar Altimeter |
| BLS | Bureau Of Labor Statistics |