cycloheptatriene
名词 n.
英文释义
名词 n.
- A cycloalkene having a seven-membered ring and three double bonds; removal of a hydride ion produces the aromatic tropylium ion
词形变化
词源
Etymology tree
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷékʷlos
Ancient Greek κῠ́κλος (kŭ́klos)der.
Late Latin cyclusbor.
Middle English cicle
English cycle
▲
Ancient Greek κύκλος (kúklos)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ικός (-ikós)
Ancient Greek κυκλῐκός (kuklĭkós)bor.
Classical Latin cyclicuslbor.
Middle French cyclique
French cycliquebor.
▲
Classical Latin cyclicusbor.
English cyclic
English cyclo-
English heptatriene
English cycloheptatriene
From cyclo- + heptatriene.
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷékʷlos
Ancient Greek κῠ́κλος (kŭ́klos)der.
Late Latin cyclusbor.
Middle English cicle
English cycle
▲
Ancient Greek κύκλος (kúklos)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ικός (-ikós)
Ancient Greek κυκλῐκός (kuklĭkós)bor.
Classical Latin cyclicuslbor.
Middle French cyclique
French cycliquebor.
▲
Classical Latin cyclicusbor.
English cyclic
English cyclo-
English heptatriene
English cycloheptatriene
From cyclo- + heptatriene.
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数据来源: Wiktionary