indolebutyric acid

[ in-dohl-byoo-tir-ik, in- ]

noun

, Biochemistry.

1. a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.

indolebutyric acid

/ ˌɪndəʊlbjuːˈtɪrɪk /

noun

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

Word History and Origins

Origin of indolebutyric acid¹

First recorded in 1935–40; indole + butyric