单词 | butene |
释义 | butene (once / 11819311 pages) n WORD FAMILY butene n any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers Syn|Hypo|Hyper butylene isobutylene used also in making gasoline components polybutene, polybutylenea polymer of butylene; used in lubricants and synthetic rubber gas a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely |
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