单词 | pattinsonization |
释义 | † pattinsonizationn. Metallurgy. Obsolete. The removal of silver from lead by Pattinson's process. ΘΚΠ society > occupation and work > industry > working with specific materials > working with metal > [noun] > refining > refining lead Pattinson's process1852 Parkes process1857 pattinsonization1870 pattinsonation1881 1870 J. Percy Metall. Lead 461 All the softened lead is poled previously to pattinsonization. 1880 J. Percy Metall.: Silver & Gold 344 Zinc..if present in the lead to the extent of only a few tenths per cent. reverses the results of pattinsonization. This entry has been updated (OED Third Edition, June 2005; most recently modified version published online December 2020). < n.1870 |
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