indoleacetic acid: Meaning and Definition of

in'dole•a•ce'tic ac'id

Pronunciation: (in'dōl-u-sē'tik, -set'ik, in"-), [key]
— Biochem. Biochem.
  1. a crystalline, water-insoluble powder, CHNO, a natural plant hormone, used esp. for stimulating growth and root formation in plant cutting. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.