beta-indoleacetic acid

[ bey-tuh-in-dohl-uh-see-tik, -uh-set-ik or, esp. British, bee- ]
/ ˈbeɪ təˌɪn doʊl əˈsi tɪk, -əˈsɛt ɪk or, esp. British, ˈbi- /

noun Biochemistry.