Word: AAA Part of Speech: noun 1. Initialism of abdominal aortic aneurysm. Labels: abbreviation, alt-of, countable, initialism, uncountable 2. Initialism of aromatic amino acid. Labels: abbreviation, alt-of, countable, initialism, uncountable 3. Initialism of anti-aircraft artillery. Labels: abbreviation, alt-of, countable, initialism, uncountable 4. Initialism of animal-assisted activity. Labels: abbreviation, alt-of, countable, initialism, uncountable 5. Initialism of adult album alternative. Labels: abbreviation, alt-of, countable, initialism, uncountable 6. Initialism of advanced acoustic array. Labels: abbreviation, alt-of, countable, initialism, uncountable 7. Initialism of Access Approval Authority. Labels: abbreviation, alt-of, countable, initialism, uncountable 8. Initialism of accumulated adjustments account, in US Federal Income Tax. Labels: abbreviation, alt-of, countable, initialism, uncountable 9. Initialism of adaptive array antenna. Labels: abbreviation, alt-of, countable, initialism, uncountable 10. Initialism of airborne assault area. Labels: abbreviation, alt-of, countable, initialism, uncountable 11. Initialism of aircraft alert area. Labels: abbreviation, alt-of, countable, initialism, uncountable 12. Initialism of airport airspace analysis. Labels: abbreviation, alt-of, countable, initialism, uncountable 13. Initialism of angle angle angle, a geometric proof. Labels: abbreviation, alt-of, countable, initialism, uncountable 14. Initialism of arrival and assembly area. Labels: abbreviation, alt-of, countable, initialism, uncountable 15. Initialism of astronaut-actuated abort. Labels: abbreviation, alt-of, countable, initialism, uncountable 16. Initialism of attitude, awareness and accountability, a ski safety program. Labels: abbreviation, alt-of, countable, initialism, uncountable 17. Initialism of authentication, authorization and accounting. Labels: abbreviation, alt-of, countable, initialism, uncountable Example: Additionally, the IT staff must implement an authentication, authorization, and accounting (AAA) server. The AAA server (commonly pronounced "tripple A" server) will keep the usernames and passwords, and when the user supplies that information, it is the AAA server that determines if what the user typed was correct or not. 18. Initialism of automated airlift analysis. Labels: abbreviation, alt-of, countable, initialism, uncountable 19. Initialism of administration, authorization, and authentication, in software security. Labels: abbreviation, alt-of, countable, initialism, uncountable 20. Initialism of AEGIS acquisition agent. Labels: abbreviation, alt-of, countable, initialism, uncountable 21. Initialism of aerospace engineering, applied mechanics, and aviation. Labels: abbreviation, alt-of, countable, initialism, uncountable 22. Initialism of air avenue of approach. Labels: abbreviation, alt-of, countable, initialism, uncountable 23. Initialism of airborne array aperture. Labels: abbreviation, alt-of, countable, initialism, uncountable 24. Initialism of allocations, assessments, and analysis. Labels: abbreviation, alt-of, countable, initialism, uncountable 25. Initialism of alternate assembly area. Labels: abbreviation, alt-of, countable, initialism, uncountable 26. Initialism of authorization accounting activity; authorized accounting activity. Labels: abbreviation, alt-of, countable, initialism, uncountable 27. Initialism of Acquisition Approval Authority. Labels: abbreviation, alt-of, countable, initialism, uncountable