plumbaginn.

Brit.

/plʌmˈbeɪdʒɪn/, U.S.

/pləmˈbeɪdʒᵻn/

Forms: 1800s– plumbagin, 1800s– plumbagine.

Origin: A borrowing from French. Etymon: French plumbagin.

Etymology: < French plumbagin (Dulong d'Astafort 1828, in Jrnl. de pharm. 14 443) < scientific Latin Plumbago , genus name (see plumbago n.) + French -in -in suffix¹.With the form plumbagine (compare quot. 1830) compare -ine suffix⁵.

Chemistry.

A bitter, yellow, crystalline compound, present in the roots of plants of the genus Plumbago; 5-hydroxy-2-methyl-1,4-naphthoquinone, C₁₁H₈O₃.

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

1830 Amer. Jrnl. Sci. 17 385 Plumbagine, a new vegetable substance... M. Dulong has obtained a particular vegeto-principle from the roots of the Plumbago Europæa.

1866 H. Watts Dict. Chem. IV. 685 Plumbagin..crystallises in delicate needles or prisms often grouped in tufts; has a styptic saccharine taste, with acrid biting after-taste.

1949 H. W. Florey et al. Antibiotics VII. xiv. 617 The root [of Plumbago europea] was studied by Dulong d'Astafort (1829), who isolated from it a crystalline substance which he called plumbagin.

1987 Nature 26 Mar. 323/3 The compound called plumbagin has been shown to reduce tumour growth in rats.

2002 Drug Week (Nexis) 8 Nov. 47 Plumbagin and clofazimine also increased the isoniazid susceptibility of wild-type mycobacteria.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	plumbagin
释义	plumbaginn. Brit. /plʌmˈbeɪdʒɪn/, U.S. /pləmˈbeɪdʒᵻn/ Forms: 1800s– plumbagin, 1800s– plumbagine. Origin: A borrowing from French. Etymon: French plumbagin. Etymology: < French plumbagin (Dulong d'Astafort 1828, in Jrnl. de pharm. 14 443) < scientific Latin Plumbago , genus name (see plumbago n.) + French -in -in suffix¹.With the form plumbagine (compare quot. 1830) compare -ine suffix⁵. Chemistry. A bitter, yellow, crystalline compound, present in the roots of plants of the genus Plumbago; 5-hydroxy-2-methyl-1,4-naphthoquinone, C₁₁H₈O₃. 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 1830 Amer. Jrnl. Sci. 17 385 Plumbagine, a new vegetable substance... M. Dulong has obtained a particular vegeto-principle from the roots of the Plumbago Europæa. 1866 H. Watts Dict. Chem. IV. 685 Plumbagin..crystallises in delicate needles or prisms often grouped in tufts; has a styptic saccharine taste, with acrid biting after-taste. 1949 H. W. Florey et al. Antibiotics VII. xiv. 617 The root [of Plumbago europea] was studied by Dulong d'Astafort (1829), who isolated from it a crystalline substance which he called plumbagin. 1987 Nature 26 Mar. 323/3 The compound called plumbagin has been shown to reduce tumour growth in rats. 2002 Drug Week (Nexis) 8 Nov. 47 Plumbagin and clofazimine also increased the isoniazid susceptibility of wild-type mycobacteria. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1830
随便看	unstateable unstated unstately unstates unstatesmanlike unstatesmanlikely unstathelfast unstating unstation unstationary unstationed unstatistic unstatistical unstatutable unstatutably unstaunch unstaved unstayable unstayed unstayedness unstaying unsteadfast unsteadfastly unsteadfastness unsteadied