| Acronym | Meaning |
| ROC | Receiver Operating Characteristic (statistics) - Regional Operations Centre - Republic Of China - Roc-A-Fella Records |
| RON | Romanian Language (ISO 639-2 Code) |
| NB | Norwegian Bokm?l Language (ISO 639-1 Code) |
| EST | Eastern Standard Time (UTC-5 Hours) -Estonia (ISO 3166 Trigram) |
| ERN | Eritrean Nakfa (ISO 4217 Currency Code) |
| EMA | European Medicines Agency |
| MILF | Moro Islamic Liberation Front -Mother I'd Like To Fuck |
| VCT | Saint Vincent And The Grenadines (ISO 3166 Trigram) |
| GW | Games Workshop - Germ Warfare -Gigawatt -Guided Weapon -Guinea-Bissau (ISO 3166 Digram) |
| EABU | Explain Acronyms Before Use |