iaa

Noun
Synonyms: indoleacetic acidIAAIslamic Army of AdenIslamic Army of Aden-AbyanAden-Abyan Islamic Army

WordNet 3.0

Noun (2)

  1. a plant hormone promoting elongation of stems and rootsSynonyms: indoleacetic acidIAA
  2. 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 YemenSynonyms: Islamic Army of AdenIAAIslamic Army of Aden-AbyanAden-Abyan Islamic Army
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Webster's Dictionary (GCIDE)

IAA \IAA\ n. Indoleacetic acid, a plant hormone promoting elongation of stems and roots. [Acronym]

Syn: indoleacetic acid. [WordNet 1.5]

indoleacetic acid \in"dole*a*cet"ic ac"id\ ([i^]n"d[=o]l), n. (Chem., Bot.) A plant hormone (C10H9NO2) recognized as the principle growth regulator in higher plants; called also heteroauxin. Abbreviated IAA. Chemically it is 1H-indole-3-acetic acid. [PJC]
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