Found 2 items, similar to butylene.
English → English (WordNet) Definition: butylene butylene n : any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers [syn: butene]
English → English (gcide) Definition: butylene butene \butene\ n. any of three isomeric singly unsaturated hydrocarbons C4H8; all are used in making synthetic rubbers; -- called also butylene. [WordNet 1.5]