| Acronym | Meaning |
| GUY | Guyana (ISO 3166 Trigram) |
| CERN | Centre Europ?en Pour La Recherche Nucl?aire (French |
| ERA | Earned Run Average - Engineering Research Associates - Equal Rights Amendment - English Racing Automobiles - European Railway Agency |
| B2C | Business-to-consumer Electronic Commerce |
| ZG | Zettagram |
| IIE | Innovative Interstellar Explorer |
| MICLIC | Mine Clearing Line Charge |
| LSE | Least Squares Estimate/Error - London School Of Economics - London Stock Exchange |
| FJ | Fiji (ISO 3166 Digram; FIPS 10-4 Country Code) |
| DLTBGYD | Don't Let The Bastards Grind You Down |