indoleacetic acid

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

/ ˈɪn doʊl əˈsi tɪk, -ˈsɛt ɪk, ˌɪn- /

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noun Biochemistry.

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

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Also called beta-indoleacetic acid, heteroauxin.

Origin of indoleacetic acid

First recorded in 1885–90; indole + acetic

Words nearby indoleacetic acid

Indo-Germanic, Indo-Hittite, Indo-Iranian, indolaceturia, indole, indoleacetic acid, indoleamine, indolebutyric acid, indolence, indolent, indolent bubo

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use indoleacetic acid in a sentence

I write the lyrics and work with Murv Douglas from Lords of Acid.
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During the height of his disenchantment, he visited his hometown where an old friend gave him some liquid acid.
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Eggs, he says, are a good source of cysteine, an amino acid that helps the liver break down alcohol faster.
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This at-home blood test kit gives a full reading of antioxidant, fatty acid, or vitamin panels.
Nothing Says I Love You Like Data|The Daily Beast|December 8, 2014|DAILY BEAST

The recent spate of acid attacks on women is only the latest manifestation of this dangerous trend.
The Nuclear Deal That Iran’s Regime Fears Most|Djavad Khadem|November 22, 2014|DAILY BEAST
There are a number of bacilli, called acid-fast bacilli, which stain in the same way as the tubercle bacillus.
A Manual of Clinical Diagnosis|James Campbell Todd
The amount of the other purin bodies together is about one-tenth that of uric acid.
A Manual of Clinical Diagnosis|James Campbell Todd
Uric acid is decreased before an attack of gout and increased afterward, but its etiologic relation is still uncertain.
A Manual of Clinical Diagnosis|James Campbell Todd
An increase is also noted in the uric-acid diathesis and in diseases accompanied by respiratory insufficiency.
A Manual of Clinical Diagnosis|James Campbell Todd
Indol is absorbed and oxidized into indoxyl, which combines with potassium and sulphuric acid and is thus excreted.
A Manual of Clinical Diagnosis|James Campbell Todd

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 ]

A plant hormone that stimulates growth.