indoleacetic acid definition

  • noun:
    • A plant hormones, C10H9NO2, that promotes growth.
    • an auxin plant hormones, synthesized in leaves, that encourages growth, especially in the clear presence of ethylene
    • A plant hormone (C10H9NO2) recognized as the concept development regulator in higher plants; called additionally heteroauxin. Abbreviated IAA. Chemically its 1H-indole-3-acetic acid.
    • a plant hormone marketing elongation of stems and roots

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