| Acronym | Meaning |
| RI | Rhode Island (postal Symbol) |
| GMO | Genetically Modified Organism |
| AOSTH | Adventures Of Sonic The Hedgehog |
| BYOB | Bring Your Own Beer/Beverages/Bottle |
| ACN | Airborne Communications Node - Australian Company Number (number Issued By The Australian Government As Registration Of A Limited Liability Company) |
| GEEP | Geophysical Equipment Exploration Platform |
| LI | Limburgish Language (ISO 639-1 Code) |
| MC | Macao (FIPS 10-4 Territory Code) -Master Of Ceremonies -Megacoulomb -Military Cross (bravery Award) -Monaco (ISO 3166 Digram) -Mortar Carrier -Eleven Hundred (in Roman Numerals) |
| SPACECOM | (U.S.) Space Command |
| XML | EXtensible Markup Language |