indoleacetic acid

noun

an auxin plant hormone, synthesized in leaves, that stimulates growth, especially in the presence of ethylene

Similar
IAA
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Meanings

nounindoleacetic acid (uncountable)
  1. uncountablebiochemistryan auxin plant hormone, synthesized in leaves, that stimulates growth, especially in the presence of ethylene

Synonyms & antonyms

nouna plant hormone promoting elongation of stems and roots

Similar
IAA
Broader
auxin

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

indoleacetic acid. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/indoleacetic%20acid

MLA

“indoleacetic acid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/indoleacetic%20acid. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “indoleacetic acid,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/indoleacetic%20acid.

Source: indoleacetic acid on Wiktionary, CC BY-SA 4.0.