Found 78 abbreviations in 4 groups
A.A.: Meaning | Category |
| A.A. | Augustiniani Assumptionis (Assumptionists) | ecclesiastical |
aa: Meaning | Category |
| aa | Afar language (ISO 639-1 code) | Acronym |
aA: Meaning | Category |
| aA | Attoampere | Acronym |
Abbreviations similar to aa
- AHA - American Hospital Association … or American Heart Association
- AI - Aortic insufficiency
- AAA - anti-aircraft artillery "Triple A"
- AE - action express
- Ah - Ampere hour
- AO - Area of operations
- AOI - Arab Organisation for Industrialisation
- AWE - Advanced Warfighting Experiment
- AEW - Air Expeditionary Wing
- AU - Air University
- AW - Airlift Wing
- AAW - Anti-Air warfare
- AOW - Auxilliaryman of the Watch
- AAO - American Academy of Ophthalmology
- AOA - American Optometric Association