IAA

See indole acetic acid.

IAA

Indol-3-ylacetic acid; a plant growth regulator.

IAA

acronym: International Academy of Astronautics
Found on http://cdiac.ornl.gov/pns/acronyms.html#I

IAA

Immigration and Asylum Act 1999
Found on http://www.cjp.org.uk/glossary/

IAA

Indian Astronautical Association.
Found on http://www.braeunig.us/space/glossary.htm

IAA

International Academy of Astronautics (established August 1960).
Found on http://www.braeunig.us/space/glossary.htm
No exact match found