Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
polybutene | Yes | No | No | No |
butylene | Yes | No | No | No |
polybutene (noun) | butylene (noun) |
---|---|
a polymer of butylene; used in lubricants and synthetic rubber | any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers |