Share this entry
indoleacetic acid Syllabification: in·dole·a·ce·tic ac·id
Pronunciation: /ˌindōləˈsētik/ /-ˈsetik/

Definition of indoleacetic acid in English:


A compound that is an acetic acid derivative of indole, especially one found as a natural growth hormone (auxin) in plants.
  • Chemical formula: C8H6(CH3COOH)N; seven isomers; auxin is indole-3-acetic acid
Example sentences
  • The plant hormone auxin (indoleacetic acid) plays a role in specifying the pattern of root cells, and mutations affecting its localization lead to root defects.
  • In addition, various combinations of the following hormones were also added: naphthylacetic acid, 3 - indoleacetic acid, with 6-benzylaminopurine or kinetin.
  • A bacterial substance known as indoleacetic acid may play a part in sprout inhibition.
Definition of indoleacetic acid in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources