单词 | indoleacetic acid |
释义 | indole or indol /inˈdōl/ (chem)nounA crystalline chemical compound (C8H7N), forming the basis of the indigo molecule and found in some plants, coal tar, and present in urine and faeces of mammals (being a product of decomposition of the amino acid tryptophan) ORIGIN: indigo and L oleum oil indoleacetic acid noun A naturally-occurring plant growth hormone (C8H6NCH2CO2H), the commonest growth hormone of the auxin type indolebutyric acid noun A synthetic plant growth regulator (C8H6N(CH2)3COOH), with auxin-like action, used in rooting compounds |
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