Hydrocarbon obtained from crude oil

• Compound in synthetic rubber
• Hydrocarbon derived from petroleum
• Any of three isomeric hydrocarbons C4H8
• Compound found in synthetic rubber
• Carbon compound found in crude oil
• C4H8
• All used in making synthetic rubbers

Wiktionary Word definitions in Wiktionary
n. (context chemistry English) Any of several forms of butylene.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
butene \butene\ n. any of three isomeric singly unsaturated hydrocarbons C4H8 ; all are used in making synthetic rubbers; -- called also butylene .