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indoleacetic acid

[in-dohl-uh-see-tik, -set-ik, in-] /ˈɪn doʊl əˈsi tɪk, -ˈsɛt ɪk, ˌɪn-/
noun, Biochemistry
1.
a crystalline, water-insoluble powder, C 10 H 9 NO 2 , a natural plant hormone, used especially for stimulating growth and root formation in plant cutting.
Origin
1885-1890
1885-90; indole + acetic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for indoleacetic acid

indoleacetic acid

/ˌɪndəʊləˈsiːtɪk; -ˈsɛtɪk/
noun
1.
an auxin that causes elongation of the cells of plant stems. Formula: C10H9NO2 IAA
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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indoleacetic acid in Medicine

indoleacetic acid in·dole·a·ce·tic acid (ĭn'dō-lə-sē'tĭk)
n.
A plant hormone that stimulates growth.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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