indoleacetic-acid

indoleacetic acid

[in-dohl-uh-see-tik, -set-ik, in-]
noun Biochemistry.
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:
1885–90; indole + acetic

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World English Dictionary
indoleacetic acid (ˌɪndəʊləˈsiːtɪk, -ˈsɛtɪk)
 
n
IAA an auxin that causes elongation of the cells of plant stems. Formula: C10H9NO2

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

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
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