释义 |
di·olefin noun also di·olefine \(ˈ)dī+\ (-s) Etymology: International Scientific Vocabulary di- + olefin : any of a series of aliphatic hydrocarbons CnH2n-2 (as allene, butadiene, isoprene) containing two double bonds — called also alkadiene, diene • di·olefinic \(|)dī+\ adjective |