| Acronym | Meaning |
| PBB | PolyBrominated Biphenyl |
| NAAK | Mark I NAAK |
| IMBD | International Migratory Bird Day |
| TSR | Many |
| K/T | Cretaceous/Tertiary Boundary |
| OMD | Orchestral Manoeuvres In The Dark (1980s Pop Group) |
| EFSA | European Food Safety Authority |
| KLENOT | KLE? Observatory Near Earth And Other Unusual Objects Observations Team And Telescope |
| CMM | Capability Maturity Model |
| YOR | Yoruba Language (ISO 639-2 Code) |