| 单词 |
spiegeleisen |
| 释义 |
‖ spiegeleisen|ˈspiːg(ə)lˌaɪz(ə)n| [G., f. spiegel mirror + eisen iron.] A crystalline and lustrous variety of white manganiferous cast-iron much used in the Bessemer process for the manufacture of steel.
1868Joynson Metals 53 A much higher..quality of iron is required to make steel by the Bessemer process, and, generally, a quantity of Spiegeleisen is required to be added to it. 1890W. J. Gordon Foundry 102 Spiegeleisen is pig-iron's most highly carburized and crystalline form. So spiegel iron.
1883Harper's Mag. Aug. 334/1 A rill of spiegel-iron is let in. 1884Knight Dict. Mech. Suppl. 839/2 We have a spiegel iron in this country; it is made from the New Jersey Franklinite ore, and was at first called Franklinite iron. |

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