| Acronym | Meaning |
 | ETA | Estimated Time Of Arrival -Euzkadi Ta Azkatasuna (etta |
| BTW | By The Way |
| XXX | Hardcore Pornography (film Rating) - Thirty (in Roman Numerals) |
| MILSET | Mouvement International Pour Le Loisir Scientifique Et Technique (French |
| AGC | Adjutant General's Corps (British Army) |
| CINEOS | Campo Imperatore Near-Earth Objects Survey |
| ATC | Air Traffic Control - Air Training Corps - U.S. Air Transport Command (1942-1948) |
| TWIP | Take What Insurance Pays - When A Surgeon Agrees To Accept A Lower Payment Than He Ordinarily Would For A Procedure And Not Charge The Patient The Difference |
| MRI | M?ori Language (ISO 639-2 Code) |
| MK | Macedonian Language (ISO 639-1 Code) |
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