- a white or yellowish, crystalline, water-insoluble powder, C12H13O2N, a plant hormone similar to indoleacetic acid and used for the same purposes.
Origin of indolebutyric acid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a synthetic auxin used for stimulating plant growth and root formation. Formula: C 12 H 13 NO 2)