indolebutyric acid

[ in-dohl-byoo-tir-ik, in- ]
/ ˈɪn doʊl byuˈtɪr ɪk, ˌɪn- /

noun Biochemistry.

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

First recorded in 1935–40; indole + butyric

British Dictionary definitions for indolebutyric acid

indolebutyric acid
/ (ˌɪndəʊlbjuːˈtɪrɪk) /

noun

a synthetic auxin used for stimulating plant growth and root formation. Formula: C 12 H 13 NO 2)