单词 | scoria |
释义 | scorian. 1. The slag or dross remaining after the smelting out of a metal from its ore. Also transferred. ΘΚΠ society > occupation and work > materials > derived or manufactured material > materials produced from metalworking > [noun] > slag or scoria cindera800 drossc1050 scoriaa1398 scum1526 scory1607 recrement1611 slag1612 scorium1681 slackstone1683 finery cinder1786 browsec1794 smithy slack1813 matte1825 sullage1843 forge-cinder1881 basic slag1888 a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add. 27944) (1975) II. xvi. xliv. 849 Synder hatte scoria and is þe filthe of iren þat is clensed þerfro in fyre. 1601 P. Holland tr. Pliny Hist. World II. xxxiii. iv. 467 The grosse substance cast up from the pot or vessell & swimming aloft..is named Scoria. 1682 G. Hartman Digby's Choice Coll. Rare Secrets i. 105 See that you do not cast away the Scoria. 1758 A. Reid tr. P. J. Macquer Elements Theory & Pract. Chym. I. 146 These floating matters take the name of Scoriæ. 1878 S. Newcomb Pop. Astron. iii. ii. 245 Dark patches, like scoria, floating on the molten surface of the photosphere. 1887 A. M. Brown Treat. Animal Alkaloids iii. ii. 144 Those alkaloids and extractive matters..must be regarded as veritable scoria, resulting in the processes of physiological combustion of the elements of the organic tissues. 2. Rough clinker-like masses formed by the cooling of the surface of molten lava upon exposure to the air, and distended by the expansion of imprisoned gases. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > volcanic rocks > lava > scoria slag1673 cinder1774 scoria1792 dross1811 clinker1850 1792 J. Belknap Hist. New-Hampsh. III. 37 A company of persons..have found further evidences of internal fires; particularly a large quantity of scoriæ. 1830 J. F. W. Herschel Prelim. Disc. Study Nat. Philos. 294 The ejected scoriæ of volcanoes are receptacles in which mineral products previously unknown are constantly discovered. 1896 F. M. Crawford Corleone (1898) ii. 16 A barren stretch of burnt lava and scoriæ, which had descended..from some lower crater of the volcano. This entry has not yet been fully updated (first published 1910; most recently modified version published online March 2022). < n.a1398 |
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