Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Switch to new thesaurus
|Noun||1.||IAA - a plant hormone promoting elongation of stems and roots|
auxin - a plant hormone that promotes root formation and bud growth
|2.||IAA - Yemen-based terrorist group that supports al-Qaeda's goals; seeks to overthrow the Yemeni government and eliminate United States interests; responsible for bombings and kidnappings and killing western tourists in Yemen|
act of terrorism, terrorism, terrorist act - the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear