A hard bluish-white metal (commercially known as spelter, n.), brittle at ordinary temperatures, but malleable and ductile between 200° and 250°F…
| 单词 | θ216488 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > base metal > [noun] > zinc (6) zinc1651 A hard bluish-white metal (commercially known as spelter, n.), brittle at ordinary temperatures, but malleable and ductile between 200° and 250°F… spelter1661 Zinc. (Now only Commerce) Also locally applied to various ores. zingho1743 Zinc. Subcategories:— in thin sheets (2) — in plates (1) |
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