单词 | rag-burn |
释义 | † rag-burnv. Obsolete. rare. transitive. To subject (tin ore) to a first or partial roasting. ΚΠ 1867 R. Hunt Ure's Dict. Arts (ed. 6) III. 910 Instead of being at once completely roasted, the ‘whits’ from the stamps are sometimes first ‘rag’ (or partially) burnt, for about six or eight hours. Derivatives rag-burning n. rare the first or partial roasting of tin ore. ΚΠ 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 186 Tin-witts, Corn[wall], the product of the first dressing of tin-ores... Its first or partial roasting is called rag-burning. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online September 2018). < |
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