beta-lactam
名词 n.
英文释义
名词 n.
- A lactam having a four-membered ring structure; a structural element of many antibiotics such as penicillin.
词源
Etymology tree
English beta
Latin lacder.
English lacto-
German Ketonbor.
English ketone
English -one
English lac(tone)
Egyptian jmnbor.
Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor.
Latin Ammōn
Latin ammoniacusder.
English ammonia
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-iðos
Latin -idusder.
English -ide
English am(ide)
English lactam
English beta-lactam
From beta + lactam, where beta refers to the position of the carbon atom to which the nitrogen is attached.
English beta
Latin lacder.
English lacto-
German Ketonbor.
English ketone
English -one
English lac(tone)
Egyptian jmnbor.
Ancient Greek Ᾰ̓́μμων (Ắmmōn)bor.
Latin Ammōn
Latin ammoniacusder.
English ammonia
Proto-Indo-European *dʰeh₁-der.
Proto-Italic *-iðos
Latin -idusder.
English -ide
English am(ide)
English lactam
English beta-lactam
From beta + lactam, where beta refers to the position of the carbon atom to which the nitrogen is attached.
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数据来源: Wiktionary