butyl
bu.tyl \'byu:t-*l\ n : any of four isomeric univalent radicals C4H9 derived from bu tanesButyl tm : - used for any of various synthetic rubbers made by polymerizing isob utylene
bu.tyl \'byu:t-*l\ n : any of four isomeric univalent radicals C4H9 derived from bu tanesButyl tm : - used for any of various synthetic rubbers made by polymerizing isob utylene