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单词 hipparaffin
释义

hipparaffinn.

Forms: 1800s hipparaffine, 1800s–1900s hipparaffin.
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: hippuric adj., paraffin n.
Etymology: < hip- (in hippuric adj.) + paraffin n., after German Hipparaffin (H. Schwartz 1850, in Ann. der Chem. u. Pharm. 50 206).
Chemistry. Obsolete.
A colourless crystalline compound formed by the oxidation of hippuric acid.Said to be methylene dibenzamide; CH2(NHCOC6H5)2.
ΚΠ
1850 Chem. Gaz. 16 Dec. 474 Hipparaffine is very soluble in æther, from which however it crystallizes in a confused mass.
1879 Jrnl. Chem. Soc. 36 650 Hipparaffin is obtained by the action of lead peroxide on hippuric acid in presence of excess of sulphuric or nitric acid.
1904 Jrnl. Chem. Soc. 86 i. 994 Sodium benzenesulphonylaminomethanesulphonate..reacts violently with phosphorus pentachloride, but no substance resembling hipparaffin could be obtained.
This entry has been updated (OED Third Edition, March 2018; most recently modified version published online December 2020).
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n.1850
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