HAA
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See also:Appendix:Variations of "haa"
English
[edit]Noun
[edit]HAA(countableanduncountable,pluralHAAs)
- Initialism ofhigh-altitudeairship.
- (chemistry)Initialism ofhaloacetic acid.
Proper noun
[edit]HAA
- Initialism ofHonolulu Academy of Arts.
- (US politics)Initialism ofHealthy Americans Act.
Phrase
[edit]HAA
- (military)Initialism ofheavyanti-aircraft.