[in-dohl-uh-see-tik, -set-ik, in-]
- a crystalline, water-insoluble powder, C10H9NO2, a natural plant hormone, used especially for stimulating growth and root formation in plant cutting.
Origin of indoleacetic acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an auxin that causes elongation of the cells of plant stems. Formula: C 10 H 9 NO 2Abbreviation: IAA
- A plant hormone that stimulates growth.