| Acronym | Meaning |
| EL | Exalitre |
| CO | Many |
| CV | Chuvash Language (ISO 639-1 Code) |
| RCCO | Royal Canadian College Of Organists |
| JCDS | Joint Chiefs Of The Defence Staff |
| YM | Yemen (FIPS 10-4 Country Code) -Your Magazine (originally Young Miss |
| SAT | Formerly Scholastic Aptitude Test And Scholastic Assessment Test; Now Known Solely By The Initials - Small Arms Trainer |
| CID | Combat Identification -Criminal Investigation Division - Criminal Investigations Department |
| RSTA | Reconnaissance |
| WHAM | Wisconsin Hydrogen-Alpha Mapping (telescope) |