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单词 mesoparaffin
释义

mesoparaffinn.

Origin: Formed within English, by compounding. Etymons: meso- comb. form, paraffin n.
Etymology: < meso- comb. form + paraffin n.
Chemistry. Obsolete.
Any of a class of alkanes containing four unbranched alkyl groups attached to a central \\\\\\CH·CH group. Cf. isoparaffin n. at iso- comb. form 2b, neo-paraffin n. at neo- comb. form 1d(a).
ΚΠ
1876 W. Odling in London, Edinb., & Dublin Philos. Mag. 5th Ser. 1 206 Mesoparaffins.
1877 H. Watts Fownes's Man. Chem. (ed. 12) II. 43 Mesoparaffins, in which two methenyl groups, having their carbon-atoms linked together by one combining unit, are each associated with two monatomic radicles, CnH2n+1·.
This entry has been updated (OED Third Edition, September 2001; most recently modified version published online June 2018).
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