单词 | nigrine |
释义 | nigrinen. Mineralogy. A black variety of rutile containing iron. ΘΚΠ the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > rutile and uranite groups A02 > rutile red schorl1794 titanite1796 nigrine1805 rutile1805 rutilite1805 ilmenorutile1861 1805 R. Jameson Syst. Mineral. II. 502 The red colour..distinguishes it at once from nigrine. 1836 T. Thomson Outl. Mineral. I. 468 Nigrin..occurs at Ohlapian, in Transylvania, and was first described and analyzed by Klaproth. 1880 Min. Mag. 4 70 They are of the variety of Rutile known as Nigrine. 1929 Encycl. Brit. XIX. 774/1 The colour [of rutile] is usually reddish-brown, though..black in the ferruginous varieties (‘nigrine’ and ‘ilmenorutile’). 1954 Thorpe's Dict. Appl. Chem. (ed. 4) XI. 641/1 The name nigrine is sometimes applied to a black variety of rutile carrying a considerable percentage of iron. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022). † nigrineadj. Obsolete. rare. Black. ΘΚΠ the world > matter > colour > named colours > black or blackness > [adjective] blackeOE blokec1200 neger?c1425 sable1470 black-coloured1528 sable-coloured1596 ebon1607 Ethiopa1616 torrid1634 atred1654 pullous1698 nigricant1772 black-butted1801 nigrific1804 Negro1816 nigritudinous1851 nigrine1885 1885 Glasgow Herald 4 May 9/5 Quite as satisfactory as any of Mr. Whistler's nigrine arrangements. This entry has been updated (OED Third Edition, September 2003; most recently modified version published online June 2019). < n.1805adj.1885 |
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