| Acronym | Meaning |
| PETE | PolyEthyleneTErephthalate |
| BDI | Burundi (ISO 3166 Trigram) |
| GULCR | Grupo De Usuarios De Linux De Costa Rica |
| AUC | Ab Urbe Condita / Anno Urbis Conditae (Latin From The Founding Of The City / In The Year Since The Founding Of The City) (of Rome) - Area Under The Curve (concentration Time Curve; Medicine) |
| HRV | Croatian Language (ISO 639-2 Code) |
| KT | Kilotesla |
| MND | Motor Neurone Disease -Multinational Division |
| RQ | Puerto Rico (FIPS 10-4 Territory Code) |
| RFEF | Real Federaci›n Espa?ola De Fœtbol (Spanish For Royal Spanish Football Federation) |
| WIYN | Wisconsin Indiana Yale NOAO Telescope Consortium |