| Acronym | Meaning |
| CRI | Costa Rica (ISO 3166 Trigram) |
| UESAC | Uppsala-ESO Survey Of Asteroids And Comets |
| NAVCC | National Audio-Visual Conservation Center |
| NW | Nuclear Weapon |
| NCAR | U.S. National Center For Atmospheric Research |
| NOR | Norwegian Language (ISO 639-2 Code) |
| DZO | Dzongkha Language (ISO 639-2 Code) |
| NWHN | U.S. National Women's Health Network |
| SI | Slovenia (ISO 3166 And FIPS 10-4 Country Code Digram) -Socialist International - Sports Illustrated - Syst?me International (French |
| GFDL | GNU Free Documentation License |