pyrroline

名词 n.

英文释义

名词 n.
  1. Any of three isomeric monounsaturated heterocycles having a five-membered ring and one nitrogen atom C₄H₇N; any derivative of these compounds

词形变化

pyrrolines plural

词源

Etymology tree
Proto-Indo-European *péh₂wr̥
Proto-Hellenic *pāwər
Ancient Greek πῦρ (pûr)
Proto-Indo-European *-rós
Proto-Hellenic *-rós
Ancient Greek -ρός (-rós)
Ancient Greek πῠρρός (pŭrrhós)der.
German Pyrrolbor.
English pyrrole
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English pyrroline
From pyrrole + -ine.
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