furan
名词 n.
英 /ˈfjʊə.ɹæn/
美 /ˈfjʊɹ.æn/
英文释义
名词 n.
- Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms, two double bonds and an oxygen atom; especially the simplest one, C₄H₄O.
词形变化
词源
Etymology tree
Latin furfur
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English furfural
Proto-Indo-European *-nós
Proto-Italic *-nos
Latin -nus
Latin -ānus
Old French -ainder.
Middle English -an
English -an
English furan
From furfural + -an.
Latin furfur
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English furfural
Proto-Indo-European *-nós
Proto-Italic *-nos
Latin -nus
Latin -ānus
Old French -ainder.
Middle English -an
English -an
English furan
From furfural + -an.
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数据来源: Wiktionary