| Acronym | Meaning |
| YS | Yoctosiemens |
| ACTU | Australian Council Of Trade Unions |
| OOP | Object-Oriented Programming - Out Of Print |
| SOFIA | Stratospheric Observatory For Infrared Astronomy |
| WKYP | Will Keep You Posted |
| CR | Cree Language (ISO 639-1 Code) |
| GH | Ghana (ISO 3166 Digram; FIPS 10-4 Country Code) - Gigahenry |
| EGIS | Erieye Ground Interface Segment |
| KIK | Gikuyu Language (ISO 639-2 Code) |
| AEQ. | Aequalis (Latin |