name, noun, symbol ·Moderate ·College level

Definitions

Noun

1. 1
   Initialism of advanced audio coding. abbreviation, alt-of, countable, initialism, uncountable
2. 2
   a lightweight, precast, concrete building material invented in the mid-1920s that simultaneously provides structure, insulation, and fire- and mold-resistance. wordnet
3. 3
   Initialism of aerated autoclaved concrete. abbreviation, alt-of, countable, initialism, uncountable
4. 4
   Initialism of aeronautical approach chart. abbreviation, alt-of, countable, initialism, uncountable
5. 5
   Initialism of affirming Anglican catholicism. abbreviation, alt-of, countable, initialism, uncountable

Show 6 more definitions

6. 6
   Abbreviation of airborne aircraft carrier. abbreviation, alt-of, countable, uncountable
7. 7
   Initialism of aircraft armament change. abbreviation, alt-of, countable, initialism, uncountable
8. 8
   Initialism of Anno ante Christum, in the year before Christ. abbreviation, alt-of, countable, initialism, uncountable
9. 9
   Initialism of anti-aircraft command. abbreviation, alt-of, countable, initialism, uncountable
10. 10
    Initialism of area advisory committee. abbreviation, alt-of, countable, initialism, uncountable
11. 11
    Initialism of augmentative and alternative communication. abbreviation, alt-of, countable, initialism, uncountable

Symbol

1. 1
   American Cement Corporation, stock exchange symbol.

Proper Noun

1. 1
   Initialism of American Alumni Council, now known as Council for Advancement and Support of Education. abbreviation, alt-of, initialism
2. 2
   Initialism of Association of American Colleges, now known as Association of American Colleges and Universities. abbreviation, alt-of, dated, initialism
3. 3
   Australian Air Corps, now known as Royal Australian Air Force dated
4. 4
   Initialism of American Anglican Council. abbreviation, alt-of, initialism
5. 5
   Initialism of Agility Association of Canada. abbreviation, alt-of, initialism

Show 29 more definitions

6. 6
   Initialism of Alameda Arts Council. abbreviation, alt-of, initialism
7. 7
   Initialism of Alaskan Air Command. abbreviation, alt-of, initialism
8. 8
   Initialism of All-American Canal. abbreviation, alt-of, initialism
9. 9
   Initialism of American Airlines Center. abbreviation, alt-of, initialism
10. 10
    Initialism of American Alpine Club. abbreviation, alt-of, initialism
11. 11
    Initialism of Amphibian Airplanes of Canada. abbreviation, alt-of, initialism
12. 12
    Initialism of Anglo-American Corporation. abbreviation, alt-of, initialism
13. 13
    Initialism of Army Air Corps; Army Air Corps. British, English, US, abbreviation, alt-of, initialism
14. 14
    Initialism of Army Apprentices College. abbreviation, alt-of, initialism
15. 15
    Initialism of Association of Alabama Camps. abbreviation, alt-of, initialism
16. 16
    Initialism of Atlanta Athletic Club. abbreviation, alt-of, initialism
17. 17
    Initialism of Australian Agricultural Company. abbreviation, alt-of, initialism
18. 18
    Initialism of Advanced Aircraft Corps. abbreviation, alt-of, initialism
19. 19
    Initialism of Aerial Ambulance Company. abbreviation, alt-of, initialism
20. 20
    Initialism of Aeronautical Advisory Council. abbreviation, alt-of, initialism
21. 21
    Initialism of Aluminum Annodizers Council. abbreviation, alt-of, initialism
22. 22
    Initialism of Allumnae Advisory Center. abbreviation, alt-of, initialism
23. 23
    Initialism of American Academy of Criminalists. abbreviation, alt-of, initialism
24. 24
    Initialism of American Archery Council. abbreviation, alt-of, initialism
25. 25
    Initialism of American Association of Criminology. abbreviation, alt-of, initialism
26. 26
    Initialism of American Atheist Center. abbreviation, alt-of, initialism
27. 27
    Initialism of Anti-aircraft Corps. abbreviation, alt-of, initialism
28. 28
    Initialism of Association of American Choruses. abbreviation, alt-of, initialism
29. 29
    Initialism of Australian Apprentiship Centre. abbreviation, alt-of, initialism
30. 30
    Initialism of Australian Association of Chiropractors. abbreviation, alt-of, initialism
31. 31
    Initialism of Auto Avia Contruzione, Enzo Ferrari's first company. abbreviation, alt-of, historical, initialism
32. 32
    Initialism of Automotive Advertisers Council. abbreviation, alt-of, initialism
33. 33
    Initialism of Auxiliary Artillery Corps. abbreviation, alt-of, initialism
34. 34
    Initialism of Auxiliary Army Corps. abbreviation, alt-of, initialism

Synonyms

All synonyms

autoclaved aerated concreteautoclaved cellular concreteautoclaved concreteautoclaved lightweight concreteporous concreteusaac

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.