| Acronym | Meaning |
| SX | Sonic X |
| CH | Chamorro Language (ISO 639-1 Code) |
| YH | Yoctohenry |
| BDS | #NAME? |
| LTP | Long-Term Potentiation |
| USMC | United States Marine Corps |
| BO2K | Back Orifice 2000 |
| AAFC | U.S. Army Air Corps Ferrying Command (1941-1942) - All-America Football Conference (1946?1949) |
| USAP | Union Sportive Arlequins Perpignan |
| PM | Panama (FIPS 10-4 Country Code) -Perry Mason - Phase Modulation - Post Meridiem (Latin After Noon) - Prime Minister - Project Manager -Saint Pierre And Miquelon (ISO 3166 Digram) |