Any of three isomeric hydrocarbons C4H8

• All used in making synthetic rubbers

Wiktionary Word definitions in Wiktionary
n. (context organic compound English) Any of three isomeric aliphatic alkenes containing four carbon atoms and one double bond; their polymers are used as synthetic rubber.

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 .

WordNet Word definitions in WordNet
n. any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers [syn: butene ]