rubiann.

Brit.

/ˈruːbɪən/, U.S.

/ˈrubiən/

Origin: A borrowing from Latin, combined with an English element; modelled on a German lexical item. Etymons: Latin rubia , -an suffix.

Etymology: < classical Latin rubia madder (see rubiaceous adj.) + -an suffix, after German Rubian (E. Schunck 1848, in Ann. der Chem. u. Pharm. 66 176). Compare rubiacin n.

Chemistry. Now historical and rare.

A brownish-yellow resinous substance isolated from madder root, subsequently shown to consist of a mixture of glycosides of alizarin and other compounds.

ΘΚΠ

the world > matter > chemistry > organic chemistry > neutral substances from plants > bitter principles > [noun]

quassin1819

colocynthin1830

plumbagin1830

colocynthite1838

quassite1838

amarine1839

rhamnin1843

maticin1844

limonin1845

serpentarin1847

rubian1848

humulin1854

pinipicrin1859

ilicin1861

physalin1863

scrophularin1868

lobelacrin1874

berberia1876

berberine1876

citrulline1882

tigline1900

1848 E. Schunck in Rep. Brit. Assoc. Advancem. Sci. 1847 136 On evaporation this fluid leaves a transparent yellow substance with a bitter taste... I shall call this substance Rubian.

1922 Color Trade Jrnl. 10 134/2 By hydrolysis with acids or by the action of a special madder ferment, rubian was converted into glucose, Alizarine and other substances.

1977 Notes & Rec. Royal Soc. 31 279 Schunck..persisted in regarding rubian as a single, though complex, compound.

This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022).

单词	rubian
释义	rubiann. Brit. /ˈruːbɪən/, U.S. /ˈrubiən/ Origin: A borrowing from Latin, combined with an English element; modelled on a German lexical item. Etymons: Latin rubia , -an suffix. Etymology: < classical Latin rubia madder (see rubiaceous adj.) + -an suffix, after German Rubian (E. Schunck 1848, in Ann. der Chem. u. Pharm. 66 176). Compare rubiacin n. Chemistry. Now historical and rare. A brownish-yellow resinous substance isolated from madder root, subsequently shown to consist of a mixture of glycosides of alizarin and other compounds. ΘΚΠ the world > matter > chemistry > organic chemistry > neutral substances from plants > bitter principles > [noun] quassin1819 colocynthin1830 plumbagin1830 colocynthite1838 quassite1838 amarine1839 rhamnin1843 maticin1844 limonin1845 serpentarin1847 rubian1848 humulin1854 pinipicrin1859 ilicin1861 physalin1863 scrophularin1868 lobelacrin1874 berberia1876 berberine1876 citrulline1882 tigline1900 1848 E. Schunck in Rep. Brit. Assoc. Advancem. Sci. 1847 136 On evaporation this fluid leaves a transparent yellow substance with a bitter taste... I shall call this substance Rubian. 1922 Color Trade Jrnl. 10 134/2 By hydrolysis with acids or by the action of a special madder ferment, rubian was converted into glucose, Alizarine and other substances. 1977 Notes & Rec. Royal Soc. 31 279 Schunck..persisted in regarding rubian as a single, though complex, compound. This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022). < n.1848
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