Britannica Abbreviations and Acronyms
- ABArmy Base
- ABBAbbreviation
- ABBRAbbreviation
- ABBR(EV)Abbreviation
- ABBREVAbbreviation
- ABBVAbbreviation
- ADIn The Year of Our Lord
- ADMINAdministration
- ADMINAdministrative
- ADMNAdministration
- ADMRAdministration
- AECGAmerican
- AEROAeroxautical
- AEROAeronagtics
- AGLimited-Liability Company
- AGOperational Group
- AGAlgeria
- AGOAngola
- ALAlbania
- ALBAlbania
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