indoleacetic acid

[ in-dohl-uh-see-tik, -set-ik, in- ]

/ ˈɪn doʊl əˈsi tɪk, -ˈsɛt ɪk, ˌɪn- /

noun Biochemistry.

a crystalline, water-insoluble powder, C10H9NO2, a natural plant hormone, used especially for stimulating growth and root formation in plant cutting.

Words nearby indoleacetic acid

indoctrinate, indoctrination, indocyanine green, indolaceturia, indole, indoleacetic acid, indoleamine, indolebutyric acid, indolence, indolent, indolent bubo

Origin of indoleacetic acid

First recorded in 1885–90; indole + acetic

Also called beta-indoleacetic acid, heteroauxin.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for indoleacetic acid

indoleacetic acid

/ (ˌɪndəʊləˈsiːtɪk, -ˈsɛtɪk) /

noun

an auxin that causes elongation of the cells of plant stems. Formula: C 10 H 9 NO 2Abbreviation: 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

Medical definitions for indoleacetic acid

indoleacetic acid

[ ĭn′dō-lə-sē′tĭk ]

n.

A plant hormone that stimulates growth.