theophylline
名词 n.
英 /θi.əˈfɪl.iːn/|/θi.əˈfɪl.ɪn/
美 /θiˈɑf.əl.ɪn/
英文释义
名词 n.
- A bitter crystalline compound present in small quantities in tea leaves, isomeric with theobromine; used as a drug in therapy for respiratory diseases.
词源
Etymology tree
Translingual Thea
Ancient Greek φύλλον (phúllon)
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English theophylline
From Translingual Thea (“former genus name for the tea plant”) + Ancient Greek φύλλον (phúllon, “leaf”) + English -ine.
Translingual Thea
Ancient Greek φύλλον (phúllon)
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English theophylline
From Translingual Thea (“former genus name for the tea plant”) + Ancient Greek φύλλον (phúllon, “leaf”) + English -ine.
0 次浏览
数据来源: Wiktionary