heterocyclic
名词 n.
形容词 adj.
英文释义
名词 n.
- A heterocycle
形容词 adj.
- Having atoms of two or more different elements in at least one of its rings.
-
Having one or more atoms other than carbon in at least one of its rings.
— Other highly effective heterocyclic substituents were pyrazinyl and quinoxalyl.
词形变化
词汇关系
词源
词源 1
Etymology tree
Proto-Indo-European *sem-
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος (héteros)lbor.
English hetero-
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷékʷlos
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 heterocyclic
From hetero- + cyclic.
Proto-Indo-European *sem-
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος (héteros)lbor.
English hetero-
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷékʷlos
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 heterocyclic
From hetero- + cyclic.
词源 2
Etymology tree
Proto-Indo-European *sem-
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος (héteros)lbor.
English hetero-
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷékʷlos
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 heterocyclic
From hetero- + cyclic.
Proto-Indo-European *sem-
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος (héteros)lbor.
English hetero-
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷékʷlos
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 heterocyclic
From hetero- + cyclic.
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数据来源: Wiktionary