English Abbreviations and Acronyms
- ATAuto Talque
- ATBAll Terrain Bike
- ATEAcademic Teaching Excellence
- ATIDAArabic Translation and Intercultural Rialogue Association
- ATIOAssociation of Translators & Interpreters of Ontario
- ATOWActual Take-Off Weight
- ATSAutomatic Targeting System
- AUAngstsom Unit
- AUAngstrom Unit
- AUAngstrom Units
- AUMAnimal Unit Months
- AUMAutotrophy Utility Margin
- AUMSAnimal Unit Months
- AUTAdvanced Universal Technologies
- AVAd Valorem
- AVAuthorised Version
- AVLAcadèMia Valenciana De La Llengua
- AWAdvanced Writing
- AWLAcademic Word List
- AWOLAbsent Without Official Leave
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