| 单词 | butylene |
| 释义 | butyl /būˈtil or (US) -təl/nounA radical C4H9 ORIGIN: See butter1, and Gr hȳlē matter būˈtylene (also būˈtene) noun An olefine hydrocarbon (C4H8) in three isomers butyl alcohol noun Any of four isomeric alcohols of formula C4H9OH used as solvents, etc butyl rubber noun A synthetic rubber polymerized from isobutylene and isoprene |
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