| 单词 | tymp arch |
| 释义 | > as lemmastymp arch b. attributive, as tymp arch, tymp plate, tymp stone, tymp stopping. ΚΠ 1665 D. Dudley Mettallum Martis sig. D7 The Founder['s] terms,..as the Timpe stones, the Wind-wall stones,..the Boshes. 1825 ‘J. Nicholson’ Operative Mechanic 331 Tymp-stone..Tymp-plate [both printed Lymp-]. 1839 A. Ure Dict. Arts 691 [Iron blast furnace] Fig. 584 represents the hearth and boshes..a is the tymp stone, and b the tymp plate for confining the liquid metal in the hearth... The space under the tymp plate..is rammed full, for every cast, with strong loamy earth, or even fine clay; a process called the tymp stopping. 1876 R. Routledge Discov. 19th Cent. 29 The glassy looking slags..continually flowing over the tympstone. 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 188 Tymp, a hollow iron casting, cooled interiorly by a current of water, and placed to protect the tymp-arch, or arch over the dam, in a blast furnace having a fore-hearth. < as lemmas |
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