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indolebutyric acid

[ in-dohl-byoo-tir-ik, in- ]

noun

, Biochemistry.
  1. a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.


indolebutyric acid

/ ˌɪndəʊlbjuːˈtɪrɪk /

noun

  1. a synthetic auxin used for stimulating plant growth and root formation. Formula: C 12 H 13 NO 2 )
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of indolebutyric acid1

First recorded in 1935–40; indole + butyric

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indoleacetic acidindolence