isobutylene

/ahy-suh-byoot-l-een/US // ˌaɪ səˈbyut lˌin //

异丁烯,异丁基,异戊二烯

Definitions

n.名词 noun

1
Chemistry.
- : a colorless, very volatile liquid or flammable gas, C4H8, used chiefly in the manufacture of butyl rubber.